Home / 171,590.46-257,297.88-71,723.40

Finding the Fourth Proportional to 171,590.46, 257,297.88 and 71,723.40

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Solution

The fourth proportional to 171,590.46, 257,297.88 and 71,723.40 is: 107,548.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,590.46 : 257,297.88 = 71,723.40 : x
  2. Step 2: Convert to fraction form
    171,590.46/257,297.88 = 71,723.40/x
  3. Step 3: Cross multiply
    171,590.46x = 257,297.88 × 71,723.40
  4. Step 4: Simplify right side
    171,590.46x = 18,454,278,766.39
  5. Step 5: Solve for x
    x = 18,454,278,766.39/171,590.46
  6. Step 6: Final answer
    x = 107,548.40

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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.