Home / 178,095.60-267,213.87-78,186.15

Finding the Fourth Proportional to 178,095.60, 267,213.87 and 78,186.15

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Solution

The fourth proportional to 178,095.60, 267,213.87 and 78,186.15 is: 117,310.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,095.60 : 267,213.87 = 78,186.15 : x
  2. Step 2: Convert to fraction form
    178,095.60/267,213.87 = 78,186.15/x
  3. Step 3: Cross multiply
    178,095.60x = 267,213.87 × 78,186.15
  4. Step 4: Simplify right side
    178,095.60x = 20,892,423,721.90
  5. Step 5: Solve for x
    x = 20,892,423,721.90/178,095.60
  6. Step 6: Final answer
    x = 117,310.16

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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.