Home / 148,648.38-223,081.92-98,711.88

Finding the Fourth Proportional to 148,648.38, 223,081.92 and 98,711.88

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Solution

The fourth proportional to 148,648.38, 223,081.92 and 98,711.88 is: 148,140.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,648.38 : 223,081.92 = 98,711.88 : x
  2. Step 2: Convert to fraction form
    148,648.38/223,081.92 = 98,711.88/x
  3. Step 3: Cross multiply
    148,648.38x = 223,081.92 × 98,711.88
  4. Step 4: Simplify right side
    148,648.38x = 22,020,835,717.21
  5. Step 5: Solve for x
    x = 22,020,835,717.21/148,648.38
  6. Step 6: Final answer
    x = 148,140.44

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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.