Home / 187,838.73-281,668.90-108,977.13

Finding the Fourth Proportional to 187,838.73, 281,668.90 and 108,977.13

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Solution

The fourth proportional to 187,838.73, 281,668.90 and 108,977.13 is: 163,413.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,838.73 : 281,668.90 = 108,977.13 : x
  2. Step 2: Convert to fraction form
    187,838.73/281,668.90 = 108,977.13/x
  3. Step 3: Cross multiply
    187,838.73x = 281,668.90 × 108,977.13
  4. Step 4: Simplify right side
    187,838.73x = 30,695,468,332.26
  5. Step 5: Solve for x
    x = 30,695,468,332.26/187,838.73
  6. Step 6: Final answer
    x = 163,413.95

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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.