Home / 100,256.30-150,388.08-33,698.60

Finding the Fourth Proportional to 100,256.30, 150,388.08 and 33,698.60

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Solution

The fourth proportional to 100,256.30, 150,388.08 and 33,698.60 is: 50,549.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,256.30 : 150,388.08 = 33,698.60 : x
  2. Step 2: Convert to fraction form
    100,256.30/150,388.08 = 33,698.60/x
  3. Step 3: Cross multiply
    100,256.30x = 150,388.08 × 33,698.60
  4. Step 4: Simplify right side
    100,256.30x = 5,067,867,752.69
  5. Step 5: Solve for x
    x = 5,067,867,752.69/100,256.30
  6. Step 6: Final answer
    x = 50,549.12

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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.