Home / 122,616.20-183,681.30-108,003.80

Finding the Fourth Proportional to 122,616.20, 183,681.30 and 108,003.80

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Solution

The fourth proportional to 122,616.20, 183,681.30 and 108,003.80 is: 161,791.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,616.20 : 183,681.30 = 108,003.80 : x
  2. Step 2: Convert to fraction form
    122,616.20/183,681.30 = 108,003.80/x
  3. Step 3: Cross multiply
    122,616.20x = 183,681.30 × 108,003.80
  4. Step 4: Simplify right side
    122,616.20x = 19,838,278,388.94
  5. Step 5: Solve for x
    x = 19,838,278,388.94/122,616.20
  6. Step 6: Final answer
    x = 161,791.66

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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.