Home / 148,939.60-223,414.80-43,769.20

Finding the Fourth Proportional to 148,939.60, 223,414.80 and 43,769.20

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Solution

The fourth proportional to 148,939.60, 223,414.80 and 43,769.20 is: 65,655.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,939.60 : 223,414.80 = 43,769.20 : x
  2. Step 2: Convert to fraction form
    148,939.60/223,414.80 = 43,769.20/x
  3. Step 3: Cross multiply
    148,939.60x = 223,414.80 × 43,769.20
  4. Step 4: Simplify right side
    148,939.60x = 9,778,687,064.16
  5. Step 5: Solve for x
    x = 9,778,687,064.16/148,939.60
  6. Step 6: Final answer
    x = 65,655.39

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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.