Home / 122,825.94-169,503.10-69,112.85

Finding the Fourth Proportional to 122,825.94, 169,503.10 and 69,112.85

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Solution

The fourth proportional to 122,825.94, 169,503.10 and 69,112.85 is: 95,377.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,825.94 : 169,503.10 = 69,112.85 : x
  2. Step 2: Convert to fraction form
    122,825.94/169,503.10 = 69,112.85/x
  3. Step 3: Cross multiply
    122,825.94x = 169,503.10 × 69,112.85
  4. Step 4: Simplify right side
    122,825.94x = 11,714,841,304.54
  5. Step 5: Solve for x
    x = 11,714,841,304.54/122,825.94
  6. Step 6: Final answer
    x = 95,377.59

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1.5x scale

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.