Home / 516,695.20-775,057.52-142,718.24

Finding the Fourth Proportional to 516,695.20, 775,057.52 and 142,718.24

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Solution

The fourth proportional to 516,695.20, 775,057.52 and 142,718.24 is: 214,081.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,695.20 : 775,057.52 = 142,718.24 : x
  2. Step 2: Convert to fraction form
    516,695.20/775,057.52 = 142,718.24/x
  3. Step 3: Cross multiply
    516,695.20x = 775,057.52 × 142,718.24
  4. Step 4: Simplify right side
    516,695.20x = 110,614,845,153.17
  5. Step 5: Solve for x
    x = 110,614,845,153.17/516,695.20
  6. Step 6: Final answer
    x = 214,081.43

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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.