Home / 110,865.33-166,498.43-102,422.75

Finding the Fourth Proportional to 110,865.33, 166,498.43 and 102,422.75

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Solution

The fourth proportional to 110,865.33, 166,498.43 and 102,422.75 is: 153,819.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,865.33 : 166,498.43 = 102,422.75 : x
  2. Step 2: Convert to fraction form
    110,865.33/166,498.43 = 102,422.75/x
  3. Step 3: Cross multiply
    110,865.33x = 166,498.43 × 102,422.75
  4. Step 4: Simplify right side
    110,865.33x = 17,053,225,726.68
  5. Step 5: Solve for x
    x = 17,053,225,726.68/110,865.33
  6. Step 6: Final answer
    x = 153,819.28

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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.