Home / 178,256.87-267,385.92-45,137.07

Finding the Fourth Proportional to 178,256.87, 267,385.92 and 45,137.07

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Solution

The fourth proportional to 178,256.87, 267,385.92 and 45,137.07 is: 67,705.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,256.87 : 267,385.92 = 45,137.07 : x
  2. Step 2: Convert to fraction form
    178,256.87/267,385.92 = 45,137.07/x
  3. Step 3: Cross multiply
    178,256.87x = 267,385.92 × 45,137.07
  4. Step 4: Simplify right side
    178,256.87x = 12,069,016,988.05
  5. Step 5: Solve for x
    x = 12,069,016,988.05/178,256.87
  6. Step 6: Final answer
    x = 67,705.76

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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.