Home / 136,235.25-204,385.68-42,741

Finding the Fourth Proportional to 136,235.25, 204,385.68 and 42,741

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Solution

The fourth proportional to 136,235.25, 204,385.68 and 42,741 is: 64,121.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,235.25 : 204,385.68 = 42,741 : x
  2. Step 2: Convert to fraction form
    136,235.25/204,385.68 = 42,741/x
  3. Step 3: Cross multiply
    136,235.25x = 204,385.68 × 42,741
  4. Step 4: Simplify right side
    136,235.25x = 8,735,648,348.88
  5. Step 5: Solve for x
    x = 8,735,648,348.88/136,235.25
  6. Step 6: Final answer
    x = 64,121.79

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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.