Home / 122,459.75-168,982.89-68,734.27

Finding the Fourth Proportional to 122,459.75, 168,982.89 and 68,734.27

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Solution

The fourth proportional to 122,459.75, 168,982.89 and 68,734.27 is: 94,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,459.75 : 168,982.89 = 68,734.27 : x
  2. Step 2: Convert to fraction form
    122,459.75/168,982.89 = 68,734.27/x
  3. Step 3: Cross multiply
    122,459.75x = 168,982.89 × 68,734.27
  4. Step 4: Simplify right side
    122,459.75x = 11,614,914,741.73
  5. Step 5: Solve for x
    x = 11,614,914,741.73/122,459.75
  6. Step 6: Final answer
    x = 94,846.80

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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.