Home / 91,729.85-137,580-25,154.52

Finding the Fourth Proportional to 91,729.85, 137,580 and 25,154.52

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Solution

The fourth proportional to 91,729.85, 137,580 and 25,154.52 is: 37,727.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,729.85 : 137,580 = 25,154.52 : x
  2. Step 2: Convert to fraction form
    91,729.85/137,580 = 25,154.52/x
  3. Step 3: Cross multiply
    91,729.85x = 137,580 × 25,154.52
  4. Step 4: Simplify right side
    91,729.85x = 3,460,758,861.60
  5. Step 5: Solve for x
    x = 3,460,758,861.60/91,729.85
  6. Step 6: Final answer
    x = 37,727.73

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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.