Home / 122,584.84-169,171.44-68,868.78

Finding the Fourth Proportional to 122,584.84, 169,171.44 and 68,868.78

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Solution

The fourth proportional to 122,584.84, 169,171.44 and 68,868.78 is: 95,041.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,584.84 : 169,171.44 = 68,868.78 : x
  2. Step 2: Convert to fraction form
    122,584.84/169,171.44 = 68,868.78/x
  3. Step 3: Cross multiply
    122,584.84x = 169,171.44 × 68,868.78
  4. Step 4: Simplify right side
    122,584.84x = 11,650,630,742.58
  5. Step 5: Solve for x
    x = 11,650,630,742.58/122,584.84
  6. Step 6: Final answer
    x = 95,041.36

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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.