Home / 236,789.01-326,791.35-129,375.18

Finding the Fourth Proportional to 236,789.01, 326,791.35 and 129,375.18

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Solution

The fourth proportional to 236,789.01, 326,791.35 and 129,375.18 is: 178,550.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,789.01 : 326,791.35 = 129,375.18 : x
  2. Step 2: Convert to fraction form
    236,789.01/326,791.35 = 129,375.18/x
  3. Step 3: Cross multiply
    236,789.01x = 326,791.35 × 129,375.18
  4. Step 4: Simplify right side
    236,789.01x = 42,278,689,728.69
  5. Step 5: Solve for x
    x = 42,278,689,728.69/236,789.01
  6. Step 6: Final answer
    x = 178,550.05

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1.5x scale

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.