Home / 99,118.59-148,707.05-39,923.79

Finding the Fourth Proportional to 99,118.59, 148,707.05 and 39,923.79

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Solution

The fourth proportional to 99,118.59, 148,707.05 and 39,923.79 is: 59,897.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,118.59 : 148,707.05 = 39,923.79 : x
  2. Step 2: Convert to fraction form
    99,118.59/148,707.05 = 39,923.79/x
  3. Step 3: Cross multiply
    99,118.59x = 148,707.05 × 39,923.79
  4. Step 4: Simplify right side
    99,118.59x = 5,936,948,836.10
  5. Step 5: Solve for x
    x = 5,936,948,836.10/99,118.59
  6. Step 6: Final answer
    x = 59,897.43

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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.