Home / 129,742.60-194,613.90-50,830.60

Finding the Fourth Proportional to 129,742.60, 194,613.90 and 50,830.60

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Solution

The fourth proportional to 129,742.60, 194,613.90 and 50,830.60 is: 76,245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,742.60 : 194,613.90 = 50,830.60 : x
  2. Step 2: Convert to fraction form
    129,742.60/194,613.90 = 50,830.60/x
  3. Step 3: Cross multiply
    129,742.60x = 194,613.90 × 50,830.60
  4. Step 4: Simplify right side
    129,742.60x = 9,892,341,305.34
  5. Step 5: Solve for x
    x = 9,892,341,305.34/129,742.60
  6. Step 6: Final answer
    x = 76,245.90

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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.