Home / 125,113.41-187,857.38-108,298.57

Finding the Fourth Proportional to 125,113.41, 187,857.38 and 108,298.57

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Solution

The fourth proportional to 125,113.41, 187,857.38 and 108,298.57 is: 162,609.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,113.41 : 187,857.38 = 108,298.57 : x
  2. Step 2: Convert to fraction form
    125,113.41/187,857.38 = 108,298.57/x
  3. Step 3: Cross multiply
    125,113.41x = 187,857.38 × 108,298.57
  4. Step 4: Simplify right side
    125,113.41x = 20,344,685,162.10
  5. Step 5: Solve for x
    x = 20,344,685,162.10/125,113.41
  6. Step 6: Final answer
    x = 162,609.95

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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.