Home / 172,932.62-257,679.79-154,067.68

Finding the Fourth Proportional to 172,932.62, 257,679.79 and 154,067.68

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Solution

The fourth proportional to 172,932.62, 257,679.79 and 154,067.68 is: 229,569.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,932.62 : 257,679.79 = 154,067.68 : x
  2. Step 2: Convert to fraction form
    172,932.62/257,679.79 = 154,067.68/x
  3. Step 3: Cross multiply
    172,932.62x = 257,679.79 × 154,067.68
  4. Step 4: Simplify right side
    172,932.62x = 39,700,127,365.12
  5. Step 5: Solve for x
    x = 39,700,127,365.12/172,932.62
  6. Step 6: Final answer
    x = 229,569.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.