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Finding the Fourth Proportional to 192,726.24, 265,943.48 and 112,164.44

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Solution

The fourth proportional to 192,726.24, 265,943.48 and 112,164.44 is: 154,776.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,726.24 : 265,943.48 = 112,164.44 : x
  2. Step 2: Convert to fraction form
    192,726.24/265,943.48 = 112,164.44/x
  3. Step 3: Cross multiply
    192,726.24x = 265,943.48 × 112,164.44
  4. Step 4: Simplify right side
    192,726.24x = 29,829,401,505.85
  5. Step 5: Solve for x
    x = 29,829,401,505.85/192,726.24
  6. Step 6: Final answer
    x = 154,776.03

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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.