Home / 83,914.29-126,330.72-76,565.97

Finding the Fourth Proportional to 83,914.29, 126,330.72 and 76,565.97

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Solution

The fourth proportional to 83,914.29, 126,330.72 and 76,565.97 is: 115,268.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,914.29 : 126,330.72 = 76,565.97 : x
  2. Step 2: Convert to fraction form
    83,914.29/126,330.72 = 76,565.97/x
  3. Step 3: Cross multiply
    83,914.29x = 126,330.72 × 76,565.97
  4. Step 4: Simplify right side
    83,914.29x = 9,672,634,117.60
  5. Step 5: Solve for x
    x = 9,672,634,117.60/83,914.29
  6. Step 6: Final answer
    x = 115,268.02

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.