Home / 120,908.60-181,233.30-45,999.80

Finding the Fourth Proportional to 120,908.60, 181,233.30 and 45,999.80

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Solution

The fourth proportional to 120,908.60, 181,233.30 and 45,999.80 is: 68,950.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,908.60 : 181,233.30 = 45,999.80 : x
  2. Step 2: Convert to fraction form
    120,908.60/181,233.30 = 45,999.80/x
  3. Step 3: Cross multiply
    120,908.60x = 181,233.30 × 45,999.80
  4. Step 4: Simplify right side
    120,908.60x = 8,336,695,553.34
  5. Step 5: Solve for x
    x = 8,336,695,553.34/120,908.60
  6. Step 6: Final answer
    x = 68,950.39

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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.