Home / 91,414.98-126,146.16-53,180.55

Finding the Fourth Proportional to 91,414.98, 126,146.16 and 53,180.55

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Solution

The fourth proportional to 91,414.98, 126,146.16 and 53,180.55 is: 73,385.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,414.98 : 126,146.16 = 53,180.55 : x
  2. Step 2: Convert to fraction form
    91,414.98/126,146.16 = 53,180.55/x
  3. Step 3: Cross multiply
    91,414.98x = 126,146.16 × 53,180.55
  4. Step 4: Simplify right side
    91,414.98x = 6,708,522,169.19
  5. Step 5: Solve for x
    x = 6,708,522,169.19/91,414.98
  6. Step 6: Final answer
    x = 73,385.37

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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.