Home / 144,517.80-216,266.40-126,001.20

Finding the Fourth Proportional to 144,517.80, 216,266.40 and 126,001.20

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Solution

The fourth proportional to 144,517.80, 216,266.40 and 126,001.20 is: 188,556.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,517.80 : 216,266.40 = 126,001.20 : x
  2. Step 2: Convert to fraction form
    144,517.80/216,266.40 = 126,001.20/x
  3. Step 3: Cross multiply
    144,517.80x = 216,266.40 × 126,001.20
  4. Step 4: Simplify right side
    144,517.80x = 27,249,825,919.68
  5. Step 5: Solve for x
    x = 27,249,825,919.68/144,517.80
  6. Step 6: Final answer
    x = 188,556.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.