Home / 100,541.31-150,833.65-33,979.96

Finding the Fourth Proportional to 100,541.31, 150,833.65 and 33,979.96

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Solution

The fourth proportional to 100,541.31, 150,833.65 and 33,979.96 is: 50,977.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,541.31 : 150,833.65 = 33,979.96 : x
  2. Step 2: Convert to fraction form
    100,541.31/150,833.65 = 33,979.96/x
  3. Step 3: Cross multiply
    100,541.31x = 150,833.65 × 33,979.96
  4. Step 4: Simplify right side
    100,541.31x = 5,125,321,393.65
  5. Step 5: Solve for x
    x = 5,125,321,393.65/100,541.31
  6. Step 6: Final answer
    x = 50,977.27

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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.