Home / 122,840.33-169,517.67-69,125.32

Finding the Fourth Proportional to 122,840.33, 169,517.67 and 69,125.32

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Solution

The fourth proportional to 122,840.33, 169,517.67 and 69,125.32 is: 95,391.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,840.33 : 169,517.67 = 69,125.32 : x
  2. Step 2: Convert to fraction form
    122,840.33/169,517.67 = 69,125.32/x
  3. Step 3: Cross multiply
    122,840.33x = 169,517.67 × 69,125.32
  4. Step 4: Simplify right side
    122,840.33x = 11,717,962,336.82
  5. Step 5: Solve for x
    x = 11,717,962,336.82/122,840.33
  6. Step 6: Final answer
    x = 95,391.82

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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.