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Finding the Fourth Proportional to 111,776.30, 167,628.89 and 36,882.49

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Solution

The fourth proportional to 111,776.30, 167,628.89 and 36,882.49 is: 55,312.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,776.30 : 167,628.89 = 36,882.49 : x
  2. Step 2: Convert to fraction form
    111,776.30/167,628.89 = 36,882.49/x
  3. Step 3: Cross multiply
    111,776.30x = 167,628.89 × 36,882.49
  4. Step 4: Simplify right side
    111,776.30x = 6,182,570,846.57
  5. Step 5: Solve for x
    x = 6,182,570,846.57/111,776.30
  6. Step 6: Final answer
    x = 55,312.00

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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.