Home / 172,960.20-259,448.06-53,008.36

Finding the Fourth Proportional to 172,960.20, 259,448.06 and 53,008.36

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Solution

The fourth proportional to 172,960.20, 259,448.06 and 53,008.36 is: 79,514.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,960.20 : 259,448.06 = 53,008.36 : x
  2. Step 2: Convert to fraction form
    172,960.20/259,448.06 = 53,008.36/x
  3. Step 3: Cross multiply
    172,960.20x = 259,448.06 × 53,008.36
  4. Step 4: Simplify right side
    172,960.20x = 13,752,916,165.78
  5. Step 5: Solve for x
    x = 13,752,916,165.78/172,960.20
  6. Step 6: Final answer
    x = 79,514.92

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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.