Home / 100,284.59-150,427.13-25,404.75

Finding the Fourth Proportional to 100,284.59, 150,427.13 and 25,404.75

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Solution

The fourth proportional to 100,284.59, 150,427.13 and 25,404.75 is: 38,107.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,284.59 : 150,427.13 = 25,404.75 : x
  2. Step 2: Convert to fraction form
    100,284.59/150,427.13 = 25,404.75/x
  3. Step 3: Cross multiply
    100,284.59x = 150,427.13 × 25,404.75
  4. Step 4: Simplify right side
    100,284.59x = 3,821,563,503.84
  5. Step 5: Solve for x
    x = 3,821,563,503.84/100,284.59
  6. Step 6: Final answer
    x = 38,107.18

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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.