Home / 272,091.28-408,141.04-103,620.93

Finding the Fourth Proportional to 272,091.28, 408,141.04 and 103,620.93

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Solution

The fourth proportional to 272,091.28, 408,141.04 and 103,620.93 is: 155,432.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,091.28 : 408,141.04 = 103,620.93 : x
  2. Step 2: Convert to fraction form
    272,091.28/408,141.04 = 103,620.93/x
  3. Step 3: Cross multiply
    272,091.28x = 408,141.04 × 103,620.93
  4. Step 4: Simplify right side
    272,091.28x = 42,291,954,135.97
  5. Step 5: Solve for x
    x = 42,291,954,135.97/272,091.28
  6. Step 6: Final answer
    x = 155,432.96

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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.