Home / 272,104.14-408,160.26-103,633.76

Finding the Fourth Proportional to 272,104.14, 408,160.26 and 103,633.76

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Solution

The fourth proportional to 272,104.14, 408,160.26 and 103,633.76 is: 155,452.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,104.14 : 408,160.26 = 103,633.76 : x
  2. Step 2: Convert to fraction form
    272,104.14/408,160.26 = 103,633.76/x
  3. Step 3: Cross multiply
    272,104.14x = 408,160.26 × 103,633.76
  4. Step 4: Simplify right side
    272,104.14x = 42,299,182,426.38
  5. Step 5: Solve for x
    x = 42,299,182,426.38/272,104.14
  6. Step 6: Final answer
    x = 155,452.18

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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.