Home / 131,982.66-182,054.52-81,003.69

Finding the Fourth Proportional to 131,982.66, 182,054.52 and 81,003.69

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Solution

The fourth proportional to 131,982.66, 182,054.52 and 81,003.69 is: 111,735.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,982.66 : 182,054.52 = 81,003.69 : x
  2. Step 2: Convert to fraction form
    131,982.66/182,054.52 = 81,003.69/x
  3. Step 3: Cross multiply
    131,982.66x = 182,054.52 × 81,003.69
  4. Step 4: Simplify right side
    131,982.66x = 14,747,087,901.18
  5. Step 5: Solve for x
    x = 14,747,087,901.18/131,982.66
  6. Step 6: Final answer
    x = 111,735.04

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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.