Home / 122,005.78-168,375.45-68,294.14

Finding the Fourth Proportional to 122,005.78, 168,375.45 and 68,294.14

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Solution

The fourth proportional to 122,005.78, 168,375.45 and 68,294.14 is: 94,250.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,005.78 : 168,375.45 = 68,294.14 : x
  2. Step 2: Convert to fraction form
    122,005.78/168,375.45 = 68,294.14/x
  3. Step 3: Cross multiply
    122,005.78x = 168,375.45 × 68,294.14
  4. Step 4: Simplify right side
    122,005.78x = 11,499,056,554.86
  5. Step 5: Solve for x
    x = 11,499,056,554.86/122,005.78
  6. Step 6: Final answer
    x = 94,250.10

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1.5x scale

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.