Home / 151,988.90-227,988-52,147.71

Finding the Fourth Proportional to 151,988.90, 227,988 and 52,147.71

Calculator

Solution

The fourth proportional to 151,988.90, 227,988 and 52,147.71 is: 78,223.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,988.90 : 227,988 = 52,147.71 : x
  2. Step 2: Convert to fraction form
    151,988.90/227,988 = 52,147.71/x
  3. Step 3: Cross multiply
    151,988.90x = 227,988 × 52,147.71
  4. Step 4: Simplify right side
    151,988.90x = 11,889,052,107.48
  5. Step 5: Solve for x
    x = 11,889,052,107.48/151,988.90
  6. Step 6: Final answer
    x = 78,223.16

Related Problems

Find fourth proportional to 75,994.45, 113,994 and 26,073.86
Half scale
Find fourth proportional to 303,977.79, 455,976 and 104,295.42
Double scale
Find fourth proportional to 151,989.90, 227,989.50 and 52,148.71
Similar ratio
Find fourth proportional to 227,983.34, 341,982 and 78,221.57
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.