Home / 215,264.84-323,096.78-108,723.62

Finding the Fourth Proportional to 215,264.84, 323,096.78 and 108,723.62

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Solution

The fourth proportional to 215,264.84, 323,096.78 and 108,723.62 is: 163,186.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,264.84 : 323,096.78 = 108,723.62 : x
  2. Step 2: Convert to fraction form
    215,264.84/323,096.78 = 108,723.62/x
  3. Step 3: Cross multiply
    215,264.84x = 323,096.78 × 108,723.62
  4. Step 4: Simplify right side
    215,264.84x = 35,128,251,531.94
  5. Step 5: Solve for x
    x = 35,128,251,531.94/215,264.84
  6. Step 6: Final answer
    x = 163,186.20

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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.