Home / 171,454.01-257,087.21-136,142.15

Finding the Fourth Proportional to 171,454.01, 257,087.21 and 136,142.15

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Solution

The fourth proportional to 171,454.01, 257,087.21 and 136,142.15 is: 204,138.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,454.01 : 257,087.21 = 136,142.15 : x
  2. Step 2: Convert to fraction form
    171,454.01/257,087.21 = 136,142.15/x
  3. Step 3: Cross multiply
    171,454.01x = 257,087.21 × 136,142.15
  4. Step 4: Simplify right side
    171,454.01x = 35,000,403,540.75
  5. Step 5: Solve for x
    x = 35,000,403,540.75/171,454.01
  6. Step 6: Final answer
    x = 204,138.73

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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.