Home / 120,613.46-166,337.61-75,295.62

Finding the Fourth Proportional to 120,613.46, 166,337.61 and 75,295.62

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Solution

The fourth proportional to 120,613.46, 166,337.61 and 75,295.62 is: 103,839.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,613.46 : 166,337.61 = 75,295.62 : x
  2. Step 2: Convert to fraction form
    120,613.46/166,337.61 = 75,295.62/x
  3. Step 3: Cross multiply
    120,613.46x = 166,337.61 × 75,295.62
  4. Step 4: Simplify right side
    120,613.46x = 12,524,493,474.27
  5. Step 5: Solve for x
    x = 12,524,493,474.27/120,613.46
  6. Step 6: Final answer
    x = 103,839.94

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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.