Home / 115,491.60-173,221.20-36,613.80

Finding the Fourth Proportional to 115,491.60, 173,221.20 and 36,613.80

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Solution

The fourth proportional to 115,491.60, 173,221.20 and 36,613.80 is: 54,915.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,491.60 : 173,221.20 = 36,613.80 : x
  2. Step 2: Convert to fraction form
    115,491.60/173,221.20 = 36,613.80/x
  3. Step 3: Cross multiply
    115,491.60x = 173,221.20 × 36,613.80
  4. Step 4: Simplify right side
    115,491.60x = 6,342,286,372.56
  5. Step 5: Solve for x
    x = 6,342,286,372.56/115,491.60
  6. Step 6: Final answer
    x = 54,915.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.