Home / 149,279.40-223,899.48-49,414.86

Finding the Fourth Proportional to 149,279.40, 223,899.48 and 49,414.86

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Solution

The fourth proportional to 149,279.40, 223,899.48 and 49,414.86 is: 74,115.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,279.40 : 223,899.48 = 49,414.86 : x
  2. Step 2: Convert to fraction form
    149,279.40/223,899.48 = 49,414.86/x
  3. Step 3: Cross multiply
    149,279.40x = 223,899.48 × 49,414.86
  4. Step 4: Simplify right side
    149,279.40x = 11,063,961,458.27
  5. Step 5: Solve for x
    x = 11,063,961,458.27/149,279.40
  6. Step 6: Final answer
    x = 74,115.80

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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.