Home / 158,413.20-218,589.48-94,727.76

Finding the Fourth Proportional to 158,413.20, 218,589.48 and 94,727.76

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Solution

The fourth proportional to 158,413.20, 218,589.48 and 94,727.76 is: 130,711.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,413.20 : 218,589.48 = 94,727.76 : x
  2. Step 2: Convert to fraction form
    158,413.20/218,589.48 = 94,727.76/x
  3. Step 3: Cross multiply
    158,413.20x = 218,589.48 × 94,727.76
  4. Step 4: Simplify right side
    158,413.20x = 20,706,491,799.96
  5. Step 5: Solve for x
    x = 20,706,491,799.96/158,413.20
  6. Step 6: Final answer
    x = 130,711.91

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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.