Home / 99,939.36-149,971.50-62,572.38

Finding the Fourth Proportional to 99,939.36, 149,971.50 and 62,572.38

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Solution

The fourth proportional to 99,939.36, 149,971.50 and 62,572.38 is: 93,897.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,939.36 : 149,971.50 = 62,572.38 : x
  2. Step 2: Convert to fraction form
    99,939.36/149,971.50 = 62,572.38/x
  3. Step 3: Cross multiply
    99,939.36x = 149,971.50 × 62,572.38
  4. Step 4: Simplify right side
    99,939.36x = 9,384,073,687.17
  5. Step 5: Solve for x
    x = 9,384,073,687.17/99,939.36
  6. Step 6: Final answer
    x = 93,897.68

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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.