Home / 120,647.05-166,474.16-68,963.38

Finding the Fourth Proportional to 120,647.05, 166,474.16 and 68,963.38

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Solution

The fourth proportional to 120,647.05, 166,474.16 and 68,963.38 is: 95,158.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,647.05 : 166,474.16 = 68,963.38 : x
  2. Step 2: Convert to fraction form
    120,647.05/166,474.16 = 68,963.38/x
  3. Step 3: Cross multiply
    120,647.05x = 166,474.16 × 68,963.38
  4. Step 4: Simplify right side
    120,647.05x = 11,480,620,756.26
  5. Step 5: Solve for x
    x = 11,480,620,756.26/120,647.05
  6. Step 6: Final answer
    x = 95,158.74

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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.