Home / 178,862.20-268,325.70-89,891.80

Finding the Fourth Proportional to 178,862.20, 268,325.70 and 89,891.80

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Solution

The fourth proportional to 178,862.20, 268,325.70 and 89,891.80 is: 134,853.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,862.20 : 268,325.70 = 89,891.80 : x
  2. Step 2: Convert to fraction form
    178,862.20/268,325.70 = 89,891.80/x
  3. Step 3: Cross multiply
    178,862.20x = 268,325.70 × 89,891.80
  4. Step 4: Simplify right side
    178,862.20x = 24,120,280,159.26
  5. Step 5: Solve for x
    x = 24,120,280,159.26/178,862.20
  6. Step 6: Final answer
    x = 134,853.98

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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.