Home / 187,923.38-281,332.11-125,438.90

Finding the Fourth Proportional to 187,923.38, 281,332.11 and 125,438.90

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Solution

The fourth proportional to 187,923.38, 281,332.11 and 125,438.90 is: 187,789.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,923.38 : 281,332.11 = 125,438.90 : x
  2. Step 2: Convert to fraction form
    187,923.38/281,332.11 = 125,438.90/x
  3. Step 3: Cross multiply
    187,923.38x = 281,332.11 × 125,438.90
  4. Step 4: Simplify right side
    187,923.38x = 35,289,990,413.08
  5. Step 5: Solve for x
    x = 35,289,990,413.08/187,923.38
  6. Step 6: Final answer
    x = 187,789.25

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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.