Home / 122,584.60-169,156.38-68,865.40

Finding the Fourth Proportional to 122,584.60, 169,156.38 and 68,865.40

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Solution

The fourth proportional to 122,584.60, 169,156.38 and 68,865.40 is: 95,028.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,584.60 : 169,156.38 = 68,865.40 : x
  2. Step 2: Convert to fraction form
    122,584.60/169,156.38 = 68,865.40/x
  3. Step 3: Cross multiply
    122,584.60x = 169,156.38 × 68,865.40
  4. Step 4: Simplify right side
    122,584.60x = 11,649,021,771.25
  5. Step 5: Solve for x
    x = 11,649,021,771.25/122,584.60
  6. Step 6: Final answer
    x = 95,028.43

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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.