Home / 99,749.53-137,654.29-63,939.52

Finding the Fourth Proportional to 99,749.53, 137,654.29 and 63,939.52

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Solution

The fourth proportional to 99,749.53, 137,654.29 and 63,939.52 is: 88,236.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,749.53 : 137,654.29 = 63,939.52 : x
  2. Step 2: Convert to fraction form
    99,749.53/137,654.29 = 63,939.52/x
  3. Step 3: Cross multiply
    99,749.53x = 137,654.29 × 63,939.52
  4. Step 4: Simplify right side
    99,749.53x = 8,801,548,724.56
  5. Step 5: Solve for x
    x = 8,801,548,724.56/99,749.53
  6. Step 6: Final answer
    x = 88,236.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.