Home / 91,701.38-137,540.28-35,502.96

Finding the Fourth Proportional to 91,701.38, 137,540.28 and 35,502.96

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Solution

The fourth proportional to 91,701.38, 137,540.28 and 35,502.96 is: 53,249.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,701.38 : 137,540.28 = 35,502.96 : x
  2. Step 2: Convert to fraction form
    91,701.38/137,540.28 = 35,502.96/x
  3. Step 3: Cross multiply
    91,701.38x = 137,540.28 × 35,502.96
  4. Step 4: Simplify right side
    91,701.38x = 4,883,087,059.23
  5. Step 5: Solve for x
    x = 4,883,087,059.23/91,701.38
  6. Step 6: Final answer
    x = 53,249.88

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1.5x scale

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.