Home / 97,939.38-146,922.13-38,761.21

Finding the Fourth Proportional to 97,939.38, 146,922.13 and 38,761.21

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Solution

The fourth proportional to 97,939.38, 146,922.13 and 38,761.21 is: 58,146.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,939.38 : 146,922.13 = 38,761.21 : x
  2. Step 2: Convert to fraction form
    97,939.38/146,922.13 = 38,761.21/x
  3. Step 3: Cross multiply
    97,939.38x = 146,922.13 × 38,761.21
  4. Step 4: Simplify right side
    97,939.38x = 5,694,879,534.58
  5. Step 5: Solve for x
    x = 5,694,879,534.58/97,939.38
  6. Step 6: Final answer
    x = 58,146.98

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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.