Home / 272,182.56-408,144.24-103,711.20

Finding the Fourth Proportional to 272,182.56, 408,144.24 and 103,711.20

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Solution

The fourth proportional to 272,182.56, 408,144.24 and 103,711.20 is: 155,517.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,182.56 : 408,144.24 = 103,711.20 : x
  2. Step 2: Convert to fraction form
    272,182.56/408,144.24 = 103,711.20/x
  3. Step 3: Cross multiply
    272,182.56x = 408,144.24 × 103,711.20
  4. Step 4: Simplify right side
    272,182.56x = 42,329,128,903.49
  5. Step 5: Solve for x
    x = 42,329,128,903.49/272,182.56
  6. Step 6: Final answer
    x = 155,517.42

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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.