Home / 206,077.20-284,397.24-115,427.88

Finding the Fourth Proportional to 206,077.20, 284,397.24 and 115,427.88

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Solution

The fourth proportional to 206,077.20, 284,397.24 and 115,427.88 is: 159,296.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,077.20 : 284,397.24 = 115,427.88 : x
  2. Step 2: Convert to fraction form
    206,077.20/284,397.24 = 115,427.88/x
  3. Step 3: Cross multiply
    206,077.20x = 284,397.24 × 115,427.88
  4. Step 4: Simplify right side
    206,077.20x = 32,827,370,491.05
  5. Step 5: Solve for x
    x = 32,827,370,491.05/206,077.20
  6. Step 6: Final answer
    x = 159,296.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.