Home / 206,789.64-310,186.02-113,244.36

Finding the Fourth Proportional to 206,789.64, 310,186.02 and 113,244.36

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Solution

The fourth proportional to 206,789.64, 310,186.02 and 113,244.36 is: 169,867.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,789.64 : 310,186.02 = 113,244.36 : x
  2. Step 2: Convert to fraction form
    206,789.64/310,186.02 = 113,244.36/x
  3. Step 3: Cross multiply
    206,789.64x = 310,186.02 × 113,244.36
  4. Step 4: Simplify right side
    206,789.64x = 35,126,817,315.85
  5. Step 5: Solve for x
    x = 35,126,817,315.85/206,789.64
  6. Step 6: Final answer
    x = 169,867.39

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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.