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Finding the Fourth Proportional to 122,574.98, 169,135.01 and 68,849.71

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Solution

The fourth proportional to 122,574.98, 169,135.01 and 68,849.71 is: 95,002.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,574.98 : 169,135.01 = 68,849.71 : x
  2. Step 2: Convert to fraction form
    122,574.98/169,135.01 = 68,849.71/x
  3. Step 3: Cross multiply
    122,574.98x = 169,135.01 × 68,849.71
  4. Step 4: Simplify right side
    122,574.98x = 11,644,896,389.35
  5. Step 5: Solve for x
    x = 11,644,896,389.35/122,574.98
  6. Step 6: Final answer
    x = 95,002.23

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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.