Home / 122,691.18-183,962.44-80,028.48

Finding the Fourth Proportional to 122,691.18, 183,962.44 and 80,028.48

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Solution

The fourth proportional to 122,691.18, 183,962.44 and 80,028.48 is: 119,994.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,691.18 : 183,962.44 = 80,028.48 : x
  2. Step 2: Convert to fraction form
    122,691.18/183,962.44 = 80,028.48/x
  3. Step 3: Cross multiply
    122,691.18x = 183,962.44 × 80,028.48
  4. Step 4: Simplify right side
    122,691.18x = 14,722,234,450.29
  5. Step 5: Solve for x
    x = 14,722,234,450.29/122,691.18
  6. Step 6: Final answer
    x = 119,994.24

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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.