Home / 122,529.11-169,093.98-68,815.29

Finding the Fourth Proportional to 122,529.11, 169,093.98 and 68,815.29

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Solution

The fourth proportional to 122,529.11, 169,093.98 and 68,815.29 is: 94,967.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,529.11 : 169,093.98 = 68,815.29 : x
  2. Step 2: Convert to fraction form
    122,529.11/169,093.98 = 68,815.29/x
  3. Step 3: Cross multiply
    122,529.11x = 169,093.98 × 68,815.29
  4. Step 4: Simplify right side
    122,529.11x = 11,636,251,270.95
  5. Step 5: Solve for x
    x = 11,636,251,270.95/122,529.11
  6. Step 6: Final answer
    x = 94,967.24

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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.