Home / 236,659.73-326,578.23-129,209.04

Finding the Fourth Proportional to 236,659.73, 326,578.23 and 129,209.04

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Solution

The fourth proportional to 236,659.73, 326,578.23 and 129,209.04 is: 178,301.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,659.73 : 326,578.23 = 129,209.04 : x
  2. Step 2: Convert to fraction form
    236,659.73/326,578.23 = 129,209.04/x
  3. Step 3: Cross multiply
    236,659.73x = 326,578.23 × 129,209.04
  4. Step 4: Simplify right side
    236,659.73x = 42,196,859,583.20
  5. Step 5: Solve for x
    x = 42,196,859,583.20/236,659.73
  6. Step 6: Final answer
    x = 178,301.82

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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.