Home / 171,934.82-257,819.28-72,068.20

Finding the Fourth Proportional to 171,934.82, 257,819.28 and 72,068.20

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Solution

The fourth proportional to 171,934.82, 257,819.28 and 72,068.20 is: 108,067.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,934.82 : 257,819.28 = 72,068.20 : x
  2. Step 2: Convert to fraction form
    171,934.82/257,819.28 = 72,068.20/x
  3. Step 3: Cross multiply
    171,934.82x = 257,819.28 × 72,068.20
  4. Step 4: Simplify right side
    171,934.82x = 18,580,572,375.71
  5. Step 5: Solve for x
    x = 18,580,572,375.71/171,934.82
  6. Step 6: Final answer
    x = 108,067.53

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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.