Home / 272,156.67-408,240.66-99,042.48

Finding the Fourth Proportional to 272,156.67, 408,240.66 and 99,042.48

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Solution

The fourth proportional to 272,156.67, 408,240.66 and 99,042.48 is: 148,565.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,156.67 : 408,240.66 = 99,042.48 : x
  2. Step 2: Convert to fraction form
    272,156.67/408,240.66 = 99,042.48/x
  3. Step 3: Cross multiply
    272,156.67x = 408,240.66 × 99,042.48
  4. Step 4: Simplify right side
    272,156.67x = 40,433,167,774.65
  5. Step 5: Solve for x
    x = 40,433,167,774.65/272,156.67
  6. Step 6: Final answer
    x = 148,565.78

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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.