Home / 236,757.06-326,719.31-129,327.57

Finding the Fourth Proportional to 236,757.06, 326,719.31 and 129,327.57

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Solution

The fourth proportional to 236,757.06, 326,719.31 and 129,327.57 is: 178,469.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,757.06 : 326,719.31 = 129,327.57 : x
  2. Step 2: Convert to fraction form
    236,757.06/326,719.31 = 129,327.57/x
  3. Step 3: Cross multiply
    236,757.06x = 326,719.31 × 129,327.57
  4. Step 4: Simplify right side
    236,757.06x = 42,253,813,787.74
  5. Step 5: Solve for x
    x = 42,253,813,787.74/236,757.06
  6. Step 6: Final answer
    x = 178,469.08

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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.