Home / 220,512.11-304,306.71-125,018.80

Finding the Fourth Proportional to 220,512.11, 304,306.71 and 125,018.80

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Solution

The fourth proportional to 220,512.11, 304,306.71 and 125,018.80 is: 172,525.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,512.11 : 304,306.71 = 125,018.80 : x
  2. Step 2: Convert to fraction form
    220,512.11/304,306.71 = 125,018.80/x
  3. Step 3: Cross multiply
    220,512.11x = 304,306.71 × 125,018.80
  4. Step 4: Simplify right side
    220,512.11x = 38,044,059,716.15
  5. Step 5: Solve for x
    x = 38,044,059,716.15/220,512.11
  6. Step 6: Final answer
    x = 172,525.94

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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.