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Finding the Fourth Proportional to 181,668.45, 250,652.12 and 109,052.49

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Solution

The fourth proportional to 181,668.45, 250,652.12 and 109,052.49 is: 150,462.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,668.45 : 250,652.12 = 109,052.49 : x
  2. Step 2: Convert to fraction form
    181,668.45/250,652.12 = 109,052.49/x
  3. Step 3: Cross multiply
    181,668.45x = 250,652.12 × 109,052.49
  4. Step 4: Simplify right side
    181,668.45x = 27,334,237,264.52
  5. Step 5: Solve for x
    x = 27,334,237,264.52/181,668.45
  6. Step 6: Final answer
    x = 150,462.21

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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.