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Finding the Fourth Proportional to 122,616.00, 169,208.60 and 68,910.12

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Solution

The fourth proportional to 122,616.00, 169,208.60 and 68,910.12 is: 95,095.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,616.00 : 169,208.60 = 68,910.12 : x
  2. Step 2: Convert to fraction form
    122,616.00/169,208.60 = 68,910.12/x
  3. Step 3: Cross multiply
    122,616.00x = 169,208.60 × 68,910.12
  4. Step 4: Simplify right side
    122,616.00x = 11,660,184,110.58
  5. Step 5: Solve for x
    x = 11,660,184,110.58/122,616.00
  6. Step 6: Final answer
    x = 95,095.12

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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.