Home / 91,516.32-126,294.66-51,229.08

Finding the Fourth Proportional to 91,516.32, 126,294.66 and 51,229.08

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Solution

The fourth proportional to 91,516.32, 126,294.66 and 51,229.08 is: 70,697.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,516.32 : 126,294.66 = 51,229.08 : x
  2. Step 2: Convert to fraction form
    91,516.32/126,294.66 = 51,229.08/x
  3. Step 3: Cross multiply
    91,516.32x = 126,294.66 × 51,229.08
  4. Step 4: Simplify right side
    91,516.32x = 6,469,959,240.71
  5. Step 5: Solve for x
    x = 6,469,959,240.71/91,516.32
  6. Step 6: Final answer
    x = 70,697.33

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1.5x scale

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.