Home / 149,029.10-223,414.05-89,801.90

Finding the Fourth Proportional to 149,029.10, 223,414.05 and 89,801.90

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Solution

The fourth proportional to 149,029.10, 223,414.05 and 89,801.90 is: 134,624.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,029.10 : 223,414.05 = 89,801.90 : x
  2. Step 2: Convert to fraction form
    149,029.10/223,414.05 = 89,801.90/x
  3. Step 3: Cross multiply
    149,029.10x = 223,414.05 × 89,801.90
  4. Step 4: Simplify right side
    149,029.10x = 20,063,006,176.70
  5. Step 5: Solve for x
    x = 20,063,006,176.70/149,029.10
  6. Step 6: Final answer
    x = 134,624.76

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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.