Home / 122,607.12-169,198-68,892.10

Finding the Fourth Proportional to 122,607.12, 169,198 and 68,892.10

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Solution

The fourth proportional to 122,607.12, 169,198 and 68,892.10 is: 95,071.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,607.12 : 169,198 = 68,892.10 : x
  2. Step 2: Convert to fraction form
    122,607.12/169,198 = 68,892.10/x
  3. Step 3: Cross multiply
    122,607.12x = 169,198 × 68,892.10
  4. Step 4: Simplify right side
    122,607.12x = 11,656,405,535.80
  5. Step 5: Solve for x
    x = 11,656,405,535.80/122,607.12
  6. Step 6: Final answer
    x = 95,071.20

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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.