Home / 136,344.96-188,049.60-88,613.82

Finding the Fourth Proportional to 136,344.96, 188,049.60 and 88,613.82

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Solution

The fourth proportional to 136,344.96, 188,049.60 and 88,613.82 is: 122,217.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,344.96 : 188,049.60 = 88,613.82 : x
  2. Step 2: Convert to fraction form
    136,344.96/188,049.60 = 88,613.82/x
  3. Step 3: Cross multiply
    136,344.96x = 188,049.60 × 88,613.82
  4. Step 4: Simplify right side
    136,344.96x = 16,663,793,405.47
  5. Step 5: Solve for x
    x = 16,663,793,405.47/136,344.96
  6. Step 6: Final answer
    x = 122,217.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.