Home / 154,223.20-231,853.20-131,413.60

Finding the Fourth Proportional to 154,223.20, 231,853.20 and 131,413.60

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Solution

The fourth proportional to 154,223.20, 231,853.20 and 131,413.60 is: 197,562.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,223.20 : 231,853.20 = 131,413.60 : x
  2. Step 2: Convert to fraction form
    154,223.20/231,853.20 = 131,413.60/x
  3. Step 3: Cross multiply
    154,223.20x = 231,853.20 × 131,413.60
  4. Step 4: Simplify right side
    154,223.20x = 30,468,663,683.52
  5. Step 5: Solve for x
    x = 30,468,663,683.52/154,223.20
  6. Step 6: Final answer
    x = 197,562.13

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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.