Home / 168,445.36-252,667.23-68,581.88

Finding the Fourth Proportional to 168,445.36, 252,667.23 and 68,581.88

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Solution

The fourth proportional to 168,445.36, 252,667.23 and 68,581.88 is: 102,872.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,445.36 : 252,667.23 = 68,581.88 : x
  2. Step 2: Convert to fraction form
    168,445.36/252,667.23 = 68,581.88/x
  3. Step 3: Cross multiply
    168,445.36x = 252,667.23 × 68,581.88
  4. Step 4: Simplify right side
    168,445.36x = 17,328,393,647.79
  5. Step 5: Solve for x
    x = 17,328,393,647.79/168,445.36
  6. Step 6: Final answer
    x = 102,872.49

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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.