Home / 178,267.72-267,402.04-45,147.99

Finding the Fourth Proportional to 178,267.72, 267,402.04 and 45,147.99

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Solution

The fourth proportional to 178,267.72, 267,402.04 and 45,147.99 is: 67,722.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,267.72 : 267,402.04 = 45,147.99 : x
  2. Step 2: Convert to fraction form
    178,267.72/267,402.04 = 45,147.99/x
  3. Step 3: Cross multiply
    178,267.72x = 267,402.04 × 45,147.99
  4. Step 4: Simplify right side
    178,267.72x = 12,072,664,627.90
  5. Step 5: Solve for x
    x = 12,072,664,627.90/178,267.72
  6. Step 6: Final answer
    x = 67,722.10

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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.