Home / 178,787.91-268,292.61-103,943.28

Finding the Fourth Proportional to 178,787.91, 268,292.61 and 103,943.28

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Solution

The fourth proportional to 178,787.91, 268,292.61 and 103,943.28 is: 155,979.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,787.91 : 268,292.61 = 103,943.28 : x
  2. Step 2: Convert to fraction form
    178,787.91/268,292.61 = 103,943.28/x
  3. Step 3: Cross multiply
    178,787.91x = 268,292.61 × 103,943.28
  4. Step 4: Simplify right side
    178,787.91x = 27,887,213,883.16
  5. Step 5: Solve for x
    x = 27,887,213,883.16/178,787.91
  6. Step 6: Final answer
    x = 155,979.30

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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.