Home / 170,746.20-256,119.30-108,691.80

Finding the Fourth Proportional to 170,746.20, 256,119.30 and 108,691.80

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Solution

The fourth proportional to 170,746.20, 256,119.30 and 108,691.80 is: 163,037.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,746.20 : 256,119.30 = 108,691.80 : x
  2. Step 2: Convert to fraction form
    170,746.20/256,119.30 = 108,691.80/x
  3. Step 3: Cross multiply
    170,746.20x = 256,119.30 × 108,691.80
  4. Step 4: Simplify right side
    170,746.20x = 27,838,067,731.74
  5. Step 5: Solve for x
    x = 27,838,067,731.74/170,746.20
  6. Step 6: Final answer
    x = 163,037.70

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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.