Home / 122,652.25-169,251.69-68,945.35

Finding the Fourth Proportional to 122,652.25, 169,251.69 and 68,945.35

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Solution

The fourth proportional to 122,652.25, 169,251.69 and 68,945.35 is: 95,139.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,652.25 : 169,251.69 = 68,945.35 : x
  2. Step 2: Convert to fraction form
    122,652.25/169,251.69 = 68,945.35/x
  3. Step 3: Cross multiply
    122,652.25x = 169,251.69 × 68,945.35
  4. Step 4: Simplify right side
    122,652.25x = 11,669,117,005.14
  5. Step 5: Solve for x
    x = 11,669,117,005.14/122,652.25
  6. Step 6: Final answer
    x = 95,139.85

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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.