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Finding the Fourth Proportional to 100,178.79, 150,243.81 and 33,601.65

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Solution

The fourth proportional to 100,178.79, 150,243.81 and 33,601.65 is: 50,394.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,178.79 : 150,243.81 = 33,601.65 : x
  2. Step 2: Convert to fraction form
    100,178.79/150,243.81 = 33,601.65/x
  3. Step 3: Cross multiply
    100,178.79x = 150,243.81 × 33,601.65
  4. Step 4: Simplify right side
    100,178.79x = 5,048,439,918.29
  5. Step 5: Solve for x
    x = 5,048,439,918.29/100,178.79
  6. Step 6: Final answer
    x = 50,394.30

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1.5x scale

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.