Home / 122,252.84-168,708.80-68,537.86

Finding the Fourth Proportional to 122,252.84, 168,708.80 and 68,537.86

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Solution

The fourth proportional to 122,252.84, 168,708.80 and 68,537.86 is: 94,582.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,252.84 : 168,708.80 = 68,537.86 : x
  2. Step 2: Convert to fraction form
    122,252.84/168,708.80 = 68,537.86/x
  3. Step 3: Cross multiply
    122,252.84x = 168,708.80 × 68,537.86
  4. Step 4: Simplify right side
    122,252.84x = 11,562,940,115.17
  5. Step 5: Solve for x
    x = 11,562,940,115.17/122,252.84
  6. Step 6: Final answer
    x = 94,582.18

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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.