Home / 91,520.75-137,228.55-48,773.55

Finding the Fourth Proportional to 91,520.75, 137,228.55 and 48,773.55

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Solution

The fourth proportional to 91,520.75, 137,228.55 and 48,773.55 is: 73,132.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,520.75 : 137,228.55 = 48,773.55 : x
  2. Step 2: Convert to fraction form
    91,520.75/137,228.55 = 48,773.55/x
  3. Step 3: Cross multiply
    91,520.75x = 137,228.55 × 48,773.55
  4. Step 4: Simplify right side
    91,520.75x = 6,693,123,902.13
  5. Step 5: Solve for x
    x = 6,693,123,902.13/91,520.75
  6. Step 6: Final answer
    x = 73,132.31

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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.