Home / 187,658.64-258,973.20-102,774.96

Finding the Fourth Proportional to 187,658.64, 258,973.20 and 102,774.96

Calculator

Solution

The fourth proportional to 187,658.64, 258,973.20 and 102,774.96 is: 141,831.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,658.64 : 258,973.20 = 102,774.96 : x
  2. Step 2: Convert to fraction form
    187,658.64/258,973.20 = 102,774.96/x
  3. Step 3: Cross multiply
    187,658.64x = 258,973.20 × 102,774.96
  4. Step 4: Simplify right side
    187,658.64x = 26,615,960,271.07
  5. Step 5: Solve for x
    x = 26,615,960,271.07/187,658.64
  6. Step 6: Final answer
    x = 141,831.79

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.