Home / 125,216.92-187,376.42-108,407.75

Finding the Fourth Proportional to 125,216.92, 187,376.42 and 108,407.75

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Solution

The fourth proportional to 125,216.92, 187,376.42 and 108,407.75 is: 162,222.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,216.92 : 187,376.42 = 108,407.75 : x
  2. Step 2: Convert to fraction form
    125,216.92/187,376.42 = 108,407.75/x
  3. Step 3: Cross multiply
    125,216.92x = 187,376.42 × 108,407.75
  4. Step 4: Simplify right side
    125,216.92x = 20,313,054,930.65
  5. Step 5: Solve for x
    x = 20,313,054,930.65/125,216.92
  6. Step 6: Final answer
    x = 162,222.92

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1.5x scale

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.