Home / 236,910.90-326,932.18-129,481.70

Finding the Fourth Proportional to 236,910.90, 326,932.18 and 129,481.70

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Solution

The fourth proportional to 236,910.90, 326,932.18 and 129,481.70 is: 178,682.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,910.90 : 326,932.18 = 129,481.70 : x
  2. Step 2: Convert to fraction form
    236,910.90/326,932.18 = 129,481.70/x
  3. Step 3: Cross multiply
    236,910.90x = 326,932.18 × 129,481.70
  4. Step 4: Simplify right side
    236,910.90x = 42,331,732,492.74
  5. Step 5: Solve for x
    x = 42,331,732,492.74/236,910.90
  6. Step 6: Final answer
    x = 178,682.08

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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.