Home / 125,542.10-188,138.19-94,340.90

Finding the Fourth Proportional to 125,542.10, 188,138.19 and 94,340.90

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Solution

The fourth proportional to 125,542.10, 188,138.19 and 94,340.90 is: 141,379.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,542.10 : 188,138.19 = 94,340.90 : x
  2. Step 2: Convert to fraction form
    125,542.10/188,138.19 = 94,340.90/x
  3. Step 3: Cross multiply
    125,542.10x = 188,138.19 × 94,340.90
  4. Step 4: Simplify right side
    125,542.10x = 17,749,126,168.97
  5. Step 5: Solve for x
    x = 17,749,126,168.97/125,542.10
  6. Step 6: Final answer
    x = 141,379.87

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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.