Home / 122,845.73-169,526.52-69,131.64

Finding the Fourth Proportional to 122,845.73, 169,526.52 and 69,131.64

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Solution

The fourth proportional to 122,845.73, 169,526.52 and 69,131.64 is: 95,401.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,845.73 : 169,526.52 = 69,131.64 : x
  2. Step 2: Convert to fraction form
    122,845.73/169,526.52 = 69,131.64/x
  3. Step 3: Cross multiply
    122,845.73x = 169,526.52 × 69,131.64
  4. Step 4: Simplify right side
    122,845.73x = 11,719,646,351.09
  5. Step 5: Solve for x
    x = 11,719,646,351.09/122,845.73
  6. Step 6: Final answer
    x = 95,401.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.