Home / 120,318.35-166,043.25-69,327.14

Finding the Fourth Proportional to 120,318.35, 166,043.25 and 69,327.14

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Solution

The fourth proportional to 120,318.35, 166,043.25 and 69,327.14 is: 95,673.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,318.35 : 166,043.25 = 69,327.14 : x
  2. Step 2: Convert to fraction form
    120,318.35/166,043.25 = 69,327.14/x
  3. Step 3: Cross multiply
    120,318.35x = 166,043.25 × 69,327.14
  4. Step 4: Simplify right side
    120,318.35x = 11,511,302,808.59
  5. Step 5: Solve for x
    x = 11,511,302,808.59/120,318.35
  6. Step 6: Final answer
    x = 95,673.71

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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.