Home / 107,991.84-162,006.12-36,910.56

Finding the Fourth Proportional to 107,991.84, 162,006.12 and 36,910.56

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Solution

The fourth proportional to 107,991.84, 162,006.12 and 36,910.56 is: 55,372.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,991.84 : 162,006.12 = 36,910.56 : x
  2. Step 2: Convert to fraction form
    107,991.84/162,006.12 = 36,910.56/x
  3. Step 3: Cross multiply
    107,991.84x = 162,006.12 × 36,910.56
  4. Step 4: Simplify right side
    107,991.84x = 5,979,736,612.63
  5. Step 5: Solve for x
    x = 5,979,736,612.63/107,991.84
  6. Step 6: Final answer
    x = 55,372.12

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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.