Home / 126,952.20-190,428.98-38,205.10

Finding the Fourth Proportional to 126,952.20, 190,428.98 and 38,205.10

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Solution

The fourth proportional to 126,952.20, 190,428.98 and 38,205.10 is: 57,307.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,952.20 : 190,428.98 = 38,205.10 : x
  2. Step 2: Convert to fraction form
    126,952.20/190,428.98 = 38,205.10/x
  3. Step 3: Cross multiply
    126,952.20x = 190,428.98 × 38,205.10
  4. Step 4: Simplify right side
    126,952.20x = 7,275,358,223.80
  5. Step 5: Solve for x
    x = 7,275,358,223.80/126,952.20
  6. Step 6: Final answer
    x = 57,307.85

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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.