Home / 100,046.39-150,031.91-40,850.37

Finding the Fourth Proportional to 100,046.39, 150,031.91 and 40,850.37

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Solution

The fourth proportional to 100,046.39, 150,031.91 and 40,850.37 is: 61,260.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,046.39 : 150,031.91 = 40,850.37 : x
  2. Step 2: Convert to fraction form
    100,046.39/150,031.91 = 40,850.37/x
  3. Step 3: Cross multiply
    100,046.39x = 150,031.91 × 40,850.37
  4. Step 4: Simplify right side
    100,046.39x = 6,128,859,137.43
  5. Step 5: Solve for x
    x = 6,128,859,137.43/100,046.39
  6. Step 6: Final answer
    x = 61,260.18

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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.