Home / 122,836.40-169,500.48-69,120.26

Finding the Fourth Proportional to 122,836.40, 169,500.48 and 69,120.26

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Solution

The fourth proportional to 122,836.40, 169,500.48 and 69,120.26 is: 95,378.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,836.40 : 169,500.48 = 69,120.26 : x
  2. Step 2: Convert to fraction form
    122,836.40/169,500.48 = 69,120.26/x
  3. Step 3: Cross multiply
    122,836.40x = 169,500.48 × 69,120.26
  4. Step 4: Simplify right side
    122,836.40x = 11,715,917,247.72
  5. Step 5: Solve for x
    x = 11,715,917,247.72/122,836.40
  6. Step 6: Final answer
    x = 95,378.22

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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.