Home / 121,071.86-181,517.38-83,524.82

Finding the Fourth Proportional to 121,071.86, 181,517.38 and 83,524.82

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Solution

The fourth proportional to 121,071.86, 181,517.38 and 83,524.82 is: 125,224.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,071.86 : 181,517.38 = 83,524.82 : x
  2. Step 2: Convert to fraction form
    121,071.86/181,517.38 = 83,524.82/x
  3. Step 3: Cross multiply
    121,071.86x = 181,517.38 × 83,524.82
  4. Step 4: Simplify right side
    121,071.86x = 15,161,206,630.92
  5. Step 5: Solve for x
    x = 15,161,206,630.92/121,071.86
  6. Step 6: Final answer
    x = 125,224.85

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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.