Home / 100,550.24-150,844.79-38,215.88

Finding the Fourth Proportional to 100,550.24, 150,844.79 and 38,215.88

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Solution

The fourth proportional to 100,550.24, 150,844.79 and 38,215.88 is: 57,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,550.24 : 150,844.79 = 38,215.88 : x
  2. Step 2: Convert to fraction form
    100,550.24/150,844.79 = 38,215.88/x
  3. Step 3: Cross multiply
    100,550.24x = 150,844.79 × 38,215.88
  4. Step 4: Simplify right side
    100,550.24x = 5,764,666,393.27
  5. Step 5: Solve for x
    x = 5,764,666,393.27/100,550.24
  6. Step 6: Final answer
    x = 57,331.20

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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.