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Finding the Fourth Proportional to 147,082.44, 202,862.56 and 101,836.16

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Solution

The fourth proportional to 147,082.44, 202,862.56 and 101,836.16 is: 140,456.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,082.44 : 202,862.56 = 101,836.16 : x
  2. Step 2: Convert to fraction form
    147,082.44/202,862.56 = 101,836.16/x
  3. Step 3: Cross multiply
    147,082.44x = 202,862.56 × 101,836.16
  4. Step 4: Simplify right side
    147,082.44x = 20,658,744,118.17
  5. Step 5: Solve for x
    x = 20,658,744,118.17/147,082.44
  6. Step 6: Final answer
    x = 140,456.90

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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.