Home / 237,135.80-327,255.20-129,705.83

Finding the Fourth Proportional to 237,135.80, 327,255.20 and 129,705.83

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Solution

The fourth proportional to 237,135.80, 327,255.20 and 129,705.83 is: 178,998.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,135.80 : 327,255.20 = 129,705.83 : x
  2. Step 2: Convert to fraction form
    237,135.80/327,255.20 = 129,705.83/x
  3. Step 3: Cross multiply
    237,135.80x = 327,255.20 × 129,705.83
  4. Step 4: Simplify right side
    237,135.80x = 42,446,907,869.42
  5. Step 5: Solve for x
    x = 42,446,907,869.42/237,135.80
  6. Step 6: Final answer
    x = 178,998.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.