Home / 122,912.24-169,609.20-69,186.56

Finding the Fourth Proportional to 122,912.24, 169,609.20 and 69,186.56

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Solution

The fourth proportional to 122,912.24, 169,609.20 and 69,186.56 is: 95,472.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,912.24 : 169,609.20 = 69,186.56 : x
  2. Step 2: Convert to fraction form
    122,912.24/169,609.20 = 69,186.56/x
  3. Step 3: Cross multiply
    122,912.24x = 169,609.20 × 69,186.56
  4. Step 4: Simplify right side
    122,912.24x = 11,734,677,092.35
  5. Step 5: Solve for x
    x = 11,734,677,092.35/122,912.24
  6. Step 6: Final answer
    x = 95,472.00

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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.