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Finding the Fourth Proportional to 88,756.92, 133,100.40 and 36,147.36

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Solution

The fourth proportional to 88,756.92, 133,100.40 and 36,147.36 is: 54,206.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,756.92 : 133,100.40 = 36,147.36 : x
  2. Step 2: Convert to fraction form
    88,756.92/133,100.40 = 36,147.36/x
  3. Step 3: Cross multiply
    88,756.92x = 133,100.40 × 36,147.36
  4. Step 4: Simplify right side
    88,756.92x = 4,811,228,074.94
  5. Step 5: Solve for x
    x = 4,811,228,074.94/88,756.92
  6. Step 6: Final answer
    x = 54,206.79

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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.