Home / 122,006.16-168,360.72-68,282.12

Finding the Fourth Proportional to 122,006.16, 168,360.72 and 68,282.12

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Solution

The fourth proportional to 122,006.16, 168,360.72 and 68,282.12 is: 94,224.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,006.16 : 168,360.72 = 68,282.12 : x
  2. Step 2: Convert to fraction form
    122,006.16/168,360.72 = 68,282.12/x
  3. Step 3: Cross multiply
    122,006.16x = 168,360.72 × 68,282.12
  4. Step 4: Simplify right side
    122,006.16x = 11,496,026,886.33
  5. Step 5: Solve for x
    x = 11,496,026,886.33/122,006.16
  6. Step 6: Final answer
    x = 94,224.97

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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.