Home / 122,364.36-168,860.03-68,648.13

Finding the Fourth Proportional to 122,364.36, 168,860.03 and 68,648.13

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Solution

The fourth proportional to 122,364.36, 168,860.03 and 68,648.13 is: 94,732.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,364.36 : 168,860.03 = 68,648.13 : x
  2. Step 2: Convert to fraction form
    122,364.36/168,860.03 = 68,648.13/x
  3. Step 3: Cross multiply
    122,364.36x = 168,860.03 × 68,648.13
  4. Step 4: Simplify right side
    122,364.36x = 11,591,924,948.00
  5. Step 5: Solve for x
    x = 11,591,924,948.00/122,364.36
  6. Step 6: Final answer
    x = 94,732.85

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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.