Home / 170,829.70-256,244.55-108,775.30

Finding the Fourth Proportional to 170,829.70, 256,244.55 and 108,775.30

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Solution

The fourth proportional to 170,829.70, 256,244.55 and 108,775.30 is: 163,162.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,829.70 : 256,244.55 = 108,775.30 : x
  2. Step 2: Convert to fraction form
    170,829.70/256,244.55 = 108,775.30/x
  3. Step 3: Cross multiply
    170,829.70x = 256,244.55 × 108,775.30
  4. Step 4: Simplify right side
    170,829.70x = 27,873,077,799.62
  5. Step 5: Solve for x
    x = 27,873,077,799.62/170,829.70
  6. Step 6: Final answer
    x = 163,162.95

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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.