Home / 159,306.96-219,841.86-87,685.44

Finding the Fourth Proportional to 159,306.96, 219,841.86 and 87,685.44

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Solution

The fourth proportional to 159,306.96, 219,841.86 and 87,685.44 is: 121,004.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,306.96 : 219,841.86 = 87,685.44 : x
  2. Step 2: Convert to fraction form
    159,306.96/219,841.86 = 87,685.44/x
  3. Step 3: Cross multiply
    159,306.96x = 219,841.86 × 87,685.44
  4. Step 4: Simplify right side
    159,306.96x = 19,276,930,224.52
  5. Step 5: Solve for x
    x = 19,276,930,224.52/159,306.96
  6. Step 6: Final answer
    x = 121,004.95

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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.