Home / 122,443.30-183,664.95-108,665.20

Finding the Fourth Proportional to 122,443.30, 183,664.95 and 108,665.20

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Solution

The fourth proportional to 122,443.30, 183,664.95 and 108,665.20 is: 162,997.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,443.30 : 183,664.95 = 108,665.20 : x
  2. Step 2: Convert to fraction form
    122,443.30/183,664.95 = 108,665.20/x
  3. Step 3: Cross multiply
    122,443.30x = 183,664.95 × 108,665.20
  4. Step 4: Simplify right side
    122,443.30x = 19,957,988,524.74
  5. Step 5: Solve for x
    x = 19,957,988,524.74/122,443.30
  6. Step 6: Final answer
    x = 162,997.80

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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.