Home / 204,099.12-281,662.56-123,541.20

Finding the Fourth Proportional to 204,099.12, 281,662.56 and 123,541.20

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Solution

The fourth proportional to 204,099.12, 281,662.56 and 123,541.20 is: 170,490.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,099.12 : 281,662.56 = 123,541.20 : x
  2. Step 2: Convert to fraction form
    204,099.12/281,662.56 = 123,541.20/x
  3. Step 3: Cross multiply
    204,099.12x = 281,662.56 × 123,541.20
  4. Step 4: Simplify right side
    204,099.12x = 34,796,930,657.47
  5. Step 5: Solve for x
    x = 34,796,930,657.47/204,099.12
  6. Step 6: Final answer
    x = 170,490.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.