Home / 100,380.65-150,537.79-33,804.25

Finding the Fourth Proportional to 100,380.65, 150,537.79 and 33,804.25

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Solution

The fourth proportional to 100,380.65, 150,537.79 and 33,804.25 is: 50,695.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,380.65 : 150,537.79 = 33,804.25 : x
  2. Step 2: Convert to fraction form
    100,380.65/150,537.79 = 33,804.25/x
  3. Step 3: Cross multiply
    100,380.65x = 150,537.79 × 33,804.25
  4. Step 4: Simplify right side
    100,380.65x = 5,088,816,626.75
  5. Step 5: Solve for x
    x = 5,088,816,626.75/100,380.65
  6. Step 6: Final answer
    x = 50,695.20

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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.