Home / 188,717.73-260,436.72-108,160.71

Finding the Fourth Proportional to 188,717.73, 260,436.72 and 108,160.71

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Solution

The fourth proportional to 188,717.73, 260,436.72 and 108,160.71 is: 149,265.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,717.73 : 260,436.72 = 108,160.71 : x
  2. Step 2: Convert to fraction form
    188,717.73/260,436.72 = 108,160.71/x
  3. Step 3: Cross multiply
    188,717.73x = 260,436.72 × 108,160.71
  4. Step 4: Simplify right side
    188,717.73x = 28,169,020,545.27
  5. Step 5: Solve for x
    x = 28,169,020,545.27/188,717.73
  6. Step 6: Final answer
    x = 149,265.36

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1.5x scale

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.