Home / 152,931.38-229,397.06-42,123.38

Finding the Fourth Proportional to 152,931.38, 229,397.06 and 42,123.38

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Solution

The fourth proportional to 152,931.38, 229,397.06 and 42,123.38 is: 63,185.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,931.38 : 229,397.06 = 42,123.38 : x
  2. Step 2: Convert to fraction form
    152,931.38/229,397.06 = 42,123.38/x
  3. Step 3: Cross multiply
    152,931.38x = 229,397.06 × 42,123.38
  4. Step 4: Simplify right side
    152,931.38x = 9,662,978,487.59
  5. Step 5: Solve for x
    x = 9,662,978,487.59/152,931.38
  6. Step 6: Final answer
    x = 63,185.06

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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.