Home / 178,747.20-268,156.80-52,387.20

Finding the Fourth Proportional to 178,747.20, 268,156.80 and 52,387.20

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Solution

The fourth proportional to 178,747.20, 268,156.80 and 52,387.20 is: 78,591.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,747.20 : 268,156.80 = 52,387.20 : x
  2. Step 2: Convert to fraction form
    178,747.20/268,156.80 = 52,387.20/x
  3. Step 3: Cross multiply
    178,747.20x = 268,156.80 × 52,387.20
  4. Step 4: Simplify right side
    178,747.20x = 14,047,983,912.96
  5. Step 5: Solve for x
    x = 14,047,983,912.96/178,747.20
  6. Step 6: Final answer
    x = 78,591.35

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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.