Home / 195,934.40-270,139.17-126,901.91

Finding the Fourth Proportional to 195,934.40, 270,139.17 and 126,901.91

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Solution

The fourth proportional to 195,934.40, 270,139.17 and 126,901.91 is: 174,962.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,934.40 : 270,139.17 = 126,901.91 : x
  2. Step 2: Convert to fraction form
    195,934.40/270,139.17 = 126,901.91/x
  3. Step 3: Cross multiply
    195,934.40x = 270,139.17 × 126,901.91
  4. Step 4: Simplify right side
    195,934.40x = 34,281,177,790.04
  5. Step 5: Solve for x
    x = 34,281,177,790.04/195,934.40
  6. Step 6: Final answer
    x = 174,962.53

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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.