Home / 181,787.40-250,801.68-105,264.72

Finding the Fourth Proportional to 181,787.40, 250,801.68 and 105,264.72

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Solution

The fourth proportional to 181,787.40, 250,801.68 and 105,264.72 is: 145,227.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,787.40 : 250,801.68 = 105,264.72 : x
  2. Step 2: Convert to fraction form
    181,787.40/250,801.68 = 105,264.72/x
  3. Step 3: Cross multiply
    181,787.40x = 250,801.68 × 105,264.72
  4. Step 4: Simplify right side
    181,787.40x = 26,400,568,620.73
  5. Step 5: Solve for x
    x = 26,400,568,620.73/181,787.40
  6. Step 6: Final answer
    x = 145,227.71

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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.