Home / 218,131.40-327,197.10-112,982.60

Finding the Fourth Proportional to 218,131.40, 327,197.10 and 112,982.60

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Solution

The fourth proportional to 218,131.40, 327,197.10 and 112,982.60 is: 169,473.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,131.40 : 327,197.10 = 112,982.60 : x
  2. Step 2: Convert to fraction form
    218,131.40/327,197.10 = 112,982.60/x
  3. Step 3: Cross multiply
    218,131.40x = 327,197.10 × 112,982.60
  4. Step 4: Simplify right side
    218,131.40x = 36,967,579,070.46
  5. Step 5: Solve for x
    x = 36,967,579,070.46/218,131.40
  6. Step 6: Final answer
    x = 169,473.90

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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.