Home / 178,016.54-267,116.85-78,246.78

Finding the Fourth Proportional to 178,016.54, 267,116.85 and 78,246.78

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Solution

The fourth proportional to 178,016.54, 267,116.85 and 78,246.78 is: 117,410.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,016.54 : 267,116.85 = 78,246.78 : x
  2. Step 2: Convert to fraction form
    178,016.54/267,116.85 = 78,246.78/x
  3. Step 3: Cross multiply
    178,016.54x = 267,116.85 × 78,246.78
  4. Step 4: Simplify right side
    178,016.54x = 20,901,033,396.24
  5. Step 5: Solve for x
    x = 20,901,033,396.24/178,016.54
  6. Step 6: Final answer
    x = 117,410.63

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1.5x scale

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.