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Finding the Fourth Proportional to 202,753.57, 279,787.91 and 112,102.42

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Solution

The fourth proportional to 202,753.57, 279,787.91 and 112,102.42 is: 154,694.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,753.57 : 279,787.91 = 112,102.42 : x
  2. Step 2: Convert to fraction form
    202,753.57/279,787.91 = 112,102.42/x
  3. Step 3: Cross multiply
    202,753.57x = 279,787.91 × 112,102.42
  4. Step 4: Simplify right side
    202,753.57x = 31,364,902,007.35
  5. Step 5: Solve for x
    x = 31,364,902,007.35/202,753.57
  6. Step 6: Final answer
    x = 154,694.70

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