Home / 102,321.28-153,474.79-38,267.22

Finding the Fourth Proportional to 102,321.28, 153,474.79 and 38,267.22

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Solution

The fourth proportional to 102,321.28, 153,474.79 and 38,267.22 is: 57,398.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,321.28 : 153,474.79 = 38,267.22 : x
  2. Step 2: Convert to fraction form
    102,321.28/153,474.79 = 38,267.22/x
  3. Step 3: Cross multiply
    102,321.28x = 153,474.79 × 38,267.22
  4. Step 4: Simplify right side
    102,321.28x = 5,873,053,553.38
  5. Step 5: Solve for x
    x = 5,873,053,553.38/102,321.28
  6. Step 6: Final answer
    x = 57,398.16

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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.