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Finding the Fourth Proportional to 159,414.48, 238,912.26 and 75,060.24

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Solution

The fourth proportional to 159,414.48, 238,912.26 and 75,060.24 is: 112,491.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,414.48 : 238,912.26 = 75,060.24 : x
  2. Step 2: Convert to fraction form
    159,414.48/238,912.26 = 75,060.24/x
  3. Step 3: Cross multiply
    159,414.48x = 238,912.26 × 75,060.24
  4. Step 4: Simplify right side
    159,414.48x = 17,932,811,574.54
  5. Step 5: Solve for x
    x = 17,932,811,574.54/159,414.48
  6. Step 6: Final answer
    x = 112,491.74

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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.