Home / 132,160.59-198,319.50-47,912.49

Finding the Fourth Proportional to 132,160.59, 198,319.50 and 47,912.49

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Solution

The fourth proportional to 132,160.59, 198,319.50 and 47,912.49 is: 71,897.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,160.59 : 198,319.50 = 47,912.49 : x
  2. Step 2: Convert to fraction form
    132,160.59/198,319.50 = 47,912.49/x
  3. Step 3: Cross multiply
    132,160.59x = 198,319.50 × 47,912.49
  4. Step 4: Simplify right side
    132,160.59x = 9,501,981,060.56
  5. Step 5: Solve for x
    x = 9,501,981,060.56/132,160.59
  6. Step 6: Final answer
    x = 71,897.24

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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.