Home / 165,422.70-248,236.11-76,659.66

Finding the Fourth Proportional to 165,422.70, 248,236.11 and 76,659.66

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Solution

The fourth proportional to 165,422.70, 248,236.11 and 76,659.66 is: 115,036.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,422.70 : 248,236.11 = 76,659.66 : x
  2. Step 2: Convert to fraction form
    165,422.70/248,236.11 = 76,659.66/x
  3. Step 3: Cross multiply
    165,422.70x = 248,236.11 × 76,659.66
  4. Step 4: Simplify right side
    165,422.70x = 19,029,695,792.32
  5. Step 5: Solve for x
    x = 19,029,695,792.32/165,422.70
  6. Step 6: Final answer
    x = 115,036.79

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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.