Home / 122,513.16-169,063.77-68,800.44

Finding the Fourth Proportional to 122,513.16, 169,063.77 and 68,800.44

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Solution

The fourth proportional to 122,513.16, 169,063.77 and 68,800.44 is: 94,942.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,513.16 : 169,063.77 = 68,800.44 : x
  2. Step 2: Convert to fraction form
    122,513.16/169,063.77 = 68,800.44/x
  3. Step 3: Cross multiply
    122,513.16x = 169,063.77 × 68,800.44
  4. Step 4: Simplify right side
    122,513.16x = 11,631,661,764.06
  5. Step 5: Solve for x
    x = 11,631,661,764.06/122,513.16
  6. Step 6: Final answer
    x = 94,942.14

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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.