Home / 122,842.83-169,521.12-69,127.82

Finding the Fourth Proportional to 122,842.83, 169,521.12 and 69,127.82

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Solution

The fourth proportional to 122,842.83, 169,521.12 and 69,127.82 is: 95,395.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,842.83 : 169,521.12 = 69,127.82 : x
  2. Step 2: Convert to fraction form
    122,842.83/169,521.12 = 69,127.82/x
  3. Step 3: Cross multiply
    122,842.83x = 169,521.12 × 69,127.82
  4. Step 4: Simplify right side
    122,842.83x = 11,718,625,469.56
  5. Step 5: Solve for x
    x = 11,718,625,469.56/122,842.83
  6. Step 6: Final answer
    x = 95,395.27

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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.