Home / 171,733.05-236,997.78-100,101.51

Finding the Fourth Proportional to 171,733.05, 236,997.78 and 100,101.51

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Solution

The fourth proportional to 171,733.05, 236,997.78 and 100,101.51 is: 138,143.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,733.05 : 236,997.78 = 100,101.51 : x
  2. Step 2: Convert to fraction form
    171,733.05/236,997.78 = 100,101.51/x
  3. Step 3: Cross multiply
    171,733.05x = 236,997.78 × 100,101.51
  4. Step 4: Simplify right side
    171,733.05x = 23,723,835,644.65
  5. Step 5: Solve for x
    x = 23,723,835,644.65/171,733.05
  6. Step 6: Final answer
    x = 138,143.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.