Home / 120,346.27-166,079.60-69,330.85

Finding the Fourth Proportional to 120,346.27, 166,079.60 and 69,330.85

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Solution

The fourth proportional to 120,346.27, 166,079.60 and 69,330.85 is: 95,677.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,346.27 : 166,079.60 = 69,330.85 : x
  2. Step 2: Convert to fraction form
    120,346.27/166,079.60 = 69,330.85/x
  3. Step 3: Cross multiply
    120,346.27x = 166,079.60 × 69,330.85
  4. Step 4: Simplify right side
    120,346.27x = 11,514,439,333.80
  5. Step 5: Solve for x
    x = 11,514,439,333.80/120,346.27
  6. Step 6: Final answer
    x = 95,677.58

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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.