Home / 126,882.12-190,321.02-38,136.36

Finding the Fourth Proportional to 126,882.12, 190,321.02 and 38,136.36

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Solution

The fourth proportional to 126,882.12, 190,321.02 and 38,136.36 is: 57,203.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,882.12 : 190,321.02 = 38,136.36 : x
  2. Step 2: Convert to fraction form
    126,882.12/190,321.02 = 38,136.36/x
  3. Step 3: Cross multiply
    126,882.12x = 190,321.02 × 38,136.36
  4. Step 4: Simplify right side
    126,882.12x = 7,258,150,934.29
  5. Step 5: Solve for x
    x = 7,258,150,934.29/126,882.12
  6. Step 6: Final answer
    x = 57,203.89

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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.