Home / 113,185.78-169,620.97-85,073.04

Finding the Fourth Proportional to 113,185.78, 169,620.97 and 85,073.04

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Solution

The fourth proportional to 113,185.78, 169,620.97 and 85,073.04 is: 127,491.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,185.78 : 169,620.97 = 85,073.04 : x
  2. Step 2: Convert to fraction form
    113,185.78/169,620.97 = 85,073.04/x
  3. Step 3: Cross multiply
    113,185.78x = 169,620.97 × 85,073.04
  4. Step 4: Simplify right side
    113,185.78x = 14,430,170,796.89
  5. Step 5: Solve for x
    x = 14,430,170,796.89/113,185.78
  6. Step 6: Final answer
    x = 127,491.02

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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.