Home / 100,821.76-151,221.12-26,955.52

Finding the Fourth Proportional to 100,821.76, 151,221.12 and 26,955.52

Calculator

Solution

The fourth proportional to 100,821.76, 151,221.12 and 26,955.52 is: 40,430.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,821.76 : 151,221.12 = 26,955.52 : x
  2. Step 2: Convert to fraction form
    100,821.76/151,221.12 = 26,955.52/x
  3. Step 3: Cross multiply
    100,821.76x = 151,221.12 × 26,955.52
  4. Step 4: Simplify right side
    100,821.76x = 4,076,243,924.58
  5. Step 5: Solve for x
    x = 4,076,243,924.58/100,821.76
  6. Step 6: Final answer
    x = 40,430.20

Related Problems

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.