Home / 178,025.04-267,129.60-78,255.28

Finding the Fourth Proportional to 178,025.04, 267,129.60 and 78,255.28

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Solution

The fourth proportional to 178,025.04, 267,129.60 and 78,255.28 is: 117,423.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,025.04 : 267,129.60 = 78,255.28 : x
  2. Step 2: Convert to fraction form
    178,025.04/267,129.60 = 78,255.28/x
  3. Step 3: Cross multiply
    178,025.04x = 267,129.60 × 78,255.28
  4. Step 4: Simplify right side
    178,025.04x = 20,904,301,644.29
  5. Step 5: Solve for x
    x = 20,904,301,644.29/178,025.04
  6. Step 6: Final answer
    x = 117,423.38

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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.