Home / 168,392.57-252,370.15-68,436.44

Finding the Fourth Proportional to 168,392.57, 252,370.15 and 68,436.44

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Solution

The fourth proportional to 168,392.57, 252,370.15 and 68,436.44 is: 102,565.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,392.57 : 252,370.15 = 68,436.44 : x
  2. Step 2: Convert to fraction form
    168,392.57/252,370.15 = 68,436.44/x
  3. Step 3: Cross multiply
    168,392.57x = 252,370.15 × 68,436.44
  4. Step 4: Simplify right side
    168,392.57x = 17,271,314,286.08
  5. Step 5: Solve for x
    x = 17,271,314,286.08/168,392.57
  6. Step 6: Final answer
    x = 102,565.77

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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.