Home / 148,934.70-223,402.05-89,739.90

Finding the Fourth Proportional to 148,934.70, 223,402.05 and 89,739.90

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Solution

The fourth proportional to 148,934.70, 223,402.05 and 89,739.90 is: 134,609.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,934.70 : 223,402.05 = 89,739.90 : x
  2. Step 2: Convert to fraction form
    148,934.70/223,402.05 = 89,739.90/x
  3. Step 3: Cross multiply
    148,934.70x = 223,402.05 × 89,739.90
  4. Step 4: Simplify right side
    148,934.70x = 20,048,077,626.80
  5. Step 5: Solve for x
    x = 20,048,077,626.80/148,934.70
  6. Step 6: Final answer
    x = 134,609.85

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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.