Home / 120,317.11-166,074.60-69,363.88

Finding the Fourth Proportional to 120,317.11, 166,074.60 and 69,363.88

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Solution

The fourth proportional to 120,317.11, 166,074.60 and 69,363.88 is: 95,743.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,317.11 : 166,074.60 = 69,363.88 : x
  2. Step 2: Convert to fraction form
    120,317.11/166,074.60 = 69,363.88/x
  3. Step 3: Cross multiply
    120,317.11x = 166,074.60 × 69,363.88
  4. Step 4: Simplify right side
    120,317.11x = 11,519,578,625.45
  5. Step 5: Solve for x
    x = 11,519,578,625.45/120,317.11
  6. Step 6: Final answer
    x = 95,743.48

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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.