Home / 206,266.64-284,659.40-115,651.76

Finding the Fourth Proportional to 206,266.64, 284,659.40 and 115,651.76

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Solution

The fourth proportional to 206,266.64, 284,659.40 and 115,651.76 is: 159,605.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,266.64 : 284,659.40 = 115,651.76 : x
  2. Step 2: Convert to fraction form
    206,266.64/284,659.40 = 115,651.76/x
  3. Step 3: Cross multiply
    206,266.64x = 284,659.40 × 115,651.76
  4. Step 4: Simplify right side
    206,266.64x = 32,921,360,610.54
  5. Step 5: Solve for x
    x = 32,921,360,610.54/206,266.64
  6. Step 6: Final answer
    x = 159,605.84

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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.