Home / 122,669.80-183,816.92-82,540.17

Finding the Fourth Proportional to 122,669.80, 183,816.92 and 82,540.17

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Solution

The fourth proportional to 122,669.80, 183,816.92 and 82,540.17 is: 123,683.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,669.80 : 183,816.92 = 82,540.17 : x
  2. Step 2: Convert to fraction form
    122,669.80/183,816.92 = 82,540.17/x
  3. Step 3: Cross multiply
    122,669.80x = 183,816.92 × 82,540.17
  4. Step 4: Simplify right side
    122,669.80x = 15,172,279,825.68
  5. Step 5: Solve for x
    x = 15,172,279,825.68/122,669.80
  6. Step 6: Final answer
    x = 123,683.90

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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.