Home / 131,569.38-181,552.98-74,217.72

Finding the Fourth Proportional to 131,569.38, 181,552.98 and 74,217.72

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Solution

The fourth proportional to 131,569.38, 181,552.98 and 74,217.72 is: 102,413.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,569.38 : 181,552.98 = 74,217.72 : x
  2. Step 2: Convert to fraction form
    131,569.38/181,552.98 = 74,217.72/x
  3. Step 3: Cross multiply
    131,569.38x = 181,552.98 × 74,217.72
  4. Step 4: Simplify right side
    131,569.38x = 13,474,448,234.81
  5. Step 5: Solve for x
    x = 13,474,448,234.81/131,569.38
  6. Step 6: Final answer
    x = 102,413.25

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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.