Home / 122,664.62-169,278.72-68,946.50

Finding the Fourth Proportional to 122,664.62, 169,278.72 and 68,946.50

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Solution

The fourth proportional to 122,664.62, 169,278.72 and 68,946.50 is: 95,147.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,664.62 : 169,278.72 = 68,946.50 : x
  2. Step 2: Convert to fraction form
    122,664.62/169,278.72 = 68,946.50/x
  3. Step 3: Cross multiply
    122,664.62x = 169,278.72 × 68,946.50
  4. Step 4: Simplify right side
    122,664.62x = 11,671,175,268.48
  5. Step 5: Solve for x
    x = 11,671,175,268.48/122,664.62
  6. Step 6: Final answer
    x = 95,147.04

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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.