Home / 148,931.40-223,397.10-132,342.60

Finding the Fourth Proportional to 148,931.40, 223,397.10 and 132,342.60

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Solution

The fourth proportional to 148,931.40, 223,397.10 and 132,342.60 is: 198,513.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,931.40 : 223,397.10 = 132,342.60 : x
  2. Step 2: Convert to fraction form
    148,931.40/223,397.10 = 132,342.60/x
  3. Step 3: Cross multiply
    148,931.40x = 223,397.10 × 132,342.60
  4. Step 4: Simplify right side
    148,931.40x = 29,564,953,046.46
  5. Step 5: Solve for x
    x = 29,564,953,046.46/148,931.40
  6. Step 6: Final answer
    x = 198,513.90

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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.