Home / 168,799.26-253,233.04-75,305

Finding the Fourth Proportional to 168,799.26, 253,233.04 and 75,305

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Solution

The fourth proportional to 168,799.26, 253,233.04 and 75,305 is: 112,972.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,799.26 : 253,233.04 = 75,305 : x
  2. Step 2: Convert to fraction form
    168,799.26/253,233.04 = 75,305/x
  3. Step 3: Cross multiply
    168,799.26x = 253,233.04 × 75,305
  4. Step 4: Simplify right side
    168,799.26x = 19,069,714,077.20
  5. Step 5: Solve for x
    x = 19,069,714,077.20/168,799.26
  6. Step 6: Final answer
    x = 112,972.74

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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.