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Finding the Fourth Proportional to 100,375.56, 150,572.18 and 28,329.11

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Solution

The fourth proportional to 100,375.56, 150,572.18 and 28,329.11 is: 42,496.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,375.56 : 150,572.18 = 28,329.11 : x
  2. Step 2: Convert to fraction form
    100,375.56/150,572.18 = 28,329.11/x
  3. Step 3: Cross multiply
    100,375.56x = 150,572.18 × 28,329.11
  4. Step 4: Simplify right side
    100,375.56x = 4,265,575,097.30
  5. Step 5: Solve for x
    x = 4,265,575,097.30/100,375.56
  6. Step 6: Final answer
    x = 42,496.15

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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.