Home / 272,134.89-408,097.17-89,721.81

Finding the Fourth Proportional to 272,134.89, 408,097.17 and 89,721.81

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Solution

The fourth proportional to 272,134.89, 408,097.17 and 89,721.81 is: 134,548.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,134.89 : 408,097.17 = 89,721.81 : x
  2. Step 2: Convert to fraction form
    272,134.89/408,097.17 = 89,721.81/x
  3. Step 3: Cross multiply
    272,134.89x = 408,097.17 × 89,721.81
  4. Step 4: Simplify right side
    272,134.89x = 36,615,216,748.28
  5. Step 5: Solve for x
    x = 36,615,216,748.28/272,134.89
  6. Step 6: Final answer
    x = 134,548.04

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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.