Home / 159,348.06-219,895.56-87,727.86

Finding the Fourth Proportional to 159,348.06, 219,895.56 and 87,727.86

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Solution

The fourth proportional to 159,348.06, 219,895.56 and 87,727.86 is: 121,061.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,348.06 : 219,895.56 = 87,727.86 : x
  2. Step 2: Convert to fraction form
    159,348.06/219,895.56 = 87,727.86/x
  3. Step 3: Cross multiply
    159,348.06x = 219,895.56 × 87,727.86
  4. Step 4: Simplify right side
    159,348.06x = 19,290,966,902.30
  5. Step 5: Solve for x
    x = 19,290,966,902.30/159,348.06
  6. Step 6: Final answer
    x = 121,061.82

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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.