Home / 100,326.28-150,473.01-30,189.19

Finding the Fourth Proportional to 100,326.28, 150,473.01 and 30,189.19

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Solution

The fourth proportional to 100,326.28, 150,473.01 and 30,189.19 is: 45,278.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,326.28 : 150,473.01 = 30,189.19 : x
  2. Step 2: Convert to fraction form
    100,326.28/150,473.01 = 30,189.19/x
  3. Step 3: Cross multiply
    100,326.28x = 150,473.01 × 30,189.19
  4. Step 4: Simplify right side
    100,326.28x = 4,542,658,288.76
  5. Step 5: Solve for x
    x = 4,542,658,288.76/100,326.28
  6. Step 6: Final answer
    x = 45,278.85

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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.