Home / 91,474.91-126,217.25-51,180.85

Finding the Fourth Proportional to 91,474.91, 126,217.25 and 51,180.85

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Solution

The fourth proportional to 91,474.91, 126,217.25 and 51,180.85 is: 70,619.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,474.91 : 126,217.25 = 51,180.85 : x
  2. Step 2: Convert to fraction form
    91,474.91/126,217.25 = 51,180.85/x
  3. Step 3: Cross multiply
    91,474.91x = 126,217.25 × 51,180.85
  4. Step 4: Simplify right side
    91,474.91x = 6,459,905,883.76
  5. Step 5: Solve for x
    x = 6,459,905,883.76/91,474.91
  6. Step 6: Final answer
    x = 70,619.43

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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.