Home / 130,864.20-180,593.46-74,276.52

Finding the Fourth Proportional to 130,864.20, 180,593.46 and 74,276.52

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Solution

The fourth proportional to 130,864.20, 180,593.46 and 74,276.52 is: 102,502.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,864.20 : 180,593.46 = 74,276.52 : x
  2. Step 2: Convert to fraction form
    130,864.20/180,593.46 = 74,276.52/x
  3. Step 3: Cross multiply
    130,864.20x = 180,593.46 × 74,276.52
  4. Step 4: Simplify right side
    130,864.20x = 13,413,853,743.56
  5. Step 5: Solve for x
    x = 13,413,853,743.56/130,864.20
  6. Step 6: Final answer
    x = 102,502.09

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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.