Home / 91,789.55-137,657.85-25,231.85

Finding the Fourth Proportional to 91,789.55, 137,657.85 and 25,231.85

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Solution

The fourth proportional to 91,789.55, 137,657.85 and 25,231.85 is: 37,840.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,789.55 : 137,657.85 = 25,231.85 : x
  2. Step 2: Convert to fraction form
    91,789.55/137,657.85 = 25,231.85/x
  3. Step 3: Cross multiply
    91,789.55x = 137,657.85 × 25,231.85
  4. Step 4: Simplify right side
    91,789.55x = 3,473,361,534.23
  5. Step 5: Solve for x
    x = 3,473,361,534.23/91,789.55
  6. Step 6: Final answer
    x = 37,840.49

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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.