Home / 168,430.20-252,649.35-50,105.40

Finding the Fourth Proportional to 168,430.20, 252,649.35 and 50,105.40

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Solution

The fourth proportional to 168,430.20, 252,649.35 and 50,105.40 is: 75,159.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,430.20 : 252,649.35 = 50,105.40 : x
  2. Step 2: Convert to fraction form
    168,430.20/252,649.35 = 50,105.40/x
  3. Step 3: Cross multiply
    168,430.20x = 252,649.35 × 50,105.40
  4. Step 4: Simplify right side
    168,430.20x = 12,659,096,741.49
  5. Step 5: Solve for x
    x = 12,659,096,741.49/168,430.20
  6. Step 6: Final answer
    x = 75,159.30

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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.