Home / 91,149.76-125,767.86-52,380.07

Finding the Fourth Proportional to 91,149.76, 125,767.86 and 52,380.07

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Solution

The fourth proportional to 91,149.76, 125,767.86 and 52,380.07 is: 72,273.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,149.76 : 125,767.86 = 52,380.07 : x
  2. Step 2: Convert to fraction form
    91,149.76/125,767.86 = 52,380.07/x
  3. Step 3: Cross multiply
    91,149.76x = 125,767.86 × 52,380.07
  4. Step 4: Simplify right side
    91,149.76x = 6,587,729,310.55
  5. Step 5: Solve for x
    x = 6,587,729,310.55/91,149.76
  6. Step 6: Final answer
    x = 72,273.69

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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.