Home / 122,623.70-169,225.72-68,908.56

Finding the Fourth Proportional to 122,623.70, 169,225.72 and 68,908.56

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Solution

The fourth proportional to 122,623.70, 169,225.72 and 68,908.56 is: 95,096.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,623.70 : 169,225.72 = 68,908.56 : x
  2. Step 2: Convert to fraction form
    122,623.70/169,225.72 = 68,908.56/x
  3. Step 3: Cross multiply
    122,623.70x = 169,225.72 × 68,908.56
  4. Step 4: Simplify right side
    122,623.70x = 11,661,100,680.16
  5. Step 5: Solve for x
    x = 11,661,100,680.16/122,623.70
  6. Step 6: Final answer
    x = 95,096.63

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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.