Home / 178,971.16-267,872.60-131,573.70

Finding the Fourth Proportional to 178,971.16, 267,872.60 and 131,573.70

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Solution

The fourth proportional to 178,971.16, 267,872.60 and 131,573.70 is: 196,931.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,971.16 : 267,872.60 = 131,573.70 : x
  2. Step 2: Convert to fraction form
    178,971.16/267,872.60 = 131,573.70/x
  3. Step 3: Cross multiply
    178,971.16x = 267,872.60 × 131,573.70
  4. Step 4: Simplify right side
    178,971.16x = 35,244,989,110.62
  5. Step 5: Solve for x
    x = 35,244,989,110.62/178,971.16
  6. Step 6: Final answer
    x = 196,931.11

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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.