Home / 143,732.78-214,588.49-109,821.27

Finding the Fourth Proportional to 143,732.78, 214,588.49 and 109,821.27

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Solution

The fourth proportional to 143,732.78, 214,588.49 and 109,821.27 is: 163,959.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,732.78 : 214,588.49 = 109,821.27 : x
  2. Step 2: Convert to fraction form
    143,732.78/214,588.49 = 109,821.27/x
  3. Step 3: Cross multiply
    143,732.78x = 214,588.49 × 109,821.27
  4. Step 4: Simplify right side
    143,732.78x = 23,566,379,950.08
  5. Step 5: Solve for x
    x = 23,566,379,950.08/143,732.78
  6. Step 6: Final answer
    x = 163,959.68

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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.