Home / 100,404.12-150,607.26-30,284.04

Finding the Fourth Proportional to 100,404.12, 150,607.26 and 30,284.04

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Solution

The fourth proportional to 100,404.12, 150,607.26 and 30,284.04 is: 45,426.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,404.12 : 150,607.26 = 30,284.04 : x
  2. Step 2: Convert to fraction form
    100,404.12/150,607.26 = 30,284.04/x
  3. Step 3: Cross multiply
    100,404.12x = 150,607.26 × 30,284.04
  4. Step 4: Simplify right side
    100,404.12x = 4,560,996,286.13
  5. Step 5: Solve for x
    x = 4,560,996,286.13/100,404.12
  6. Step 6: Final answer
    x = 45,426.39

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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.