Home / 136,472.60-204,459.42-98,939.72

Finding the Fourth Proportional to 136,472.60, 204,459.42 and 98,939.72

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Solution

The fourth proportional to 136,472.60, 204,459.42 and 98,939.72 is: 148,228.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,472.60 : 204,459.42 = 98,939.72 : x
  2. Step 2: Convert to fraction form
    136,472.60/204,459.42 = 98,939.72/x
  3. Step 3: Cross multiply
    136,472.60x = 204,459.42 × 98,939.72
  4. Step 4: Simplify right side
    136,472.60x = 20,229,157,766.16
  5. Step 5: Solve for x
    x = 20,229,157,766.16/136,472.60
  6. Step 6: Final answer
    x = 148,228.71

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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.