Home / 91,734.20-137,601.30-82,548.80

Finding the Fourth Proportional to 91,734.20, 137,601.30 and 82,548.80

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Solution

The fourth proportional to 91,734.20, 137,601.30 and 82,548.80 is: 123,823.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,734.20 : 137,601.30 = 82,548.80 : x
  2. Step 2: Convert to fraction form
    91,734.20/137,601.30 = 82,548.80/x
  3. Step 3: Cross multiply
    91,734.20x = 137,601.30 × 82,548.80
  4. Step 4: Simplify right side
    91,734.20x = 11,358,822,193.44
  5. Step 5: Solve for x
    x = 11,358,822,193.44/91,734.20
  6. Step 6: Final answer
    x = 123,823.20

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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.