Home / 100,450.39-150,679.34-25,572.28

Finding the Fourth Proportional to 100,450.39, 150,679.34 and 25,572.28

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Solution

The fourth proportional to 100,450.39, 150,679.34 and 25,572.28 is: 38,359.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,450.39 : 150,679.34 = 25,572.28 : x
  2. Step 2: Convert to fraction form
    100,450.39/150,679.34 = 25,572.28/x
  3. Step 3: Cross multiply
    100,450.39x = 150,679.34 × 25,572.28
  4. Step 4: Simplify right side
    100,450.39x = 3,853,214,272.70
  5. Step 5: Solve for x
    x = 3,853,214,272.70/100,450.39
  6. Step 6: Final answer
    x = 38,359.38

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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.