Home / 168,002.20-252,003.30-136,509.40

Finding the Fourth Proportional to 168,002.20, 252,003.30 and 136,509.40

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Solution

The fourth proportional to 168,002.20, 252,003.30 and 136,509.40 is: 204,764.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,002.20 : 252,003.30 = 136,509.40 : x
  2. Step 2: Convert to fraction form
    168,002.20/252,003.30 = 136,509.40/x
  3. Step 3: Cross multiply
    168,002.20x = 252,003.30 × 136,509.40
  4. Step 4: Simplify right side
    168,002.20x = 34,400,819,281.02
  5. Step 5: Solve for x
    x = 34,400,819,281.02/168,002.20
  6. Step 6: Final answer
    x = 204,764.10

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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.