Home / 99,936.52-137,908.30-54,616

Finding the Fourth Proportional to 99,936.52, 137,908.30 and 54,616

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Solution

The fourth proportional to 99,936.52, 137,908.30 and 54,616 is: 75,367.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,936.52 : 137,908.30 = 54,616 : x
  2. Step 2: Convert to fraction form
    99,936.52/137,908.30 = 54,616/x
  3. Step 3: Cross multiply
    99,936.52x = 137,908.30 × 54,616
  4. Step 4: Simplify right side
    99,936.52x = 7,531,999,712.80
  5. Step 5: Solve for x
    x = 7,531,999,712.80/99,936.52
  6. Step 6: Final answer
    x = 75,367.84

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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.