Home / 100,200.12-150,310.20-37,036.80

Finding the Fourth Proportional to 100,200.12, 150,310.20 and 37,036.80

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Solution

The fourth proportional to 100,200.12, 150,310.20 and 37,036.80 is: 55,558.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,200.12 : 150,310.20 = 37,036.80 : x
  2. Step 2: Convert to fraction form
    100,200.12/150,310.20 = 37,036.80/x
  3. Step 3: Cross multiply
    100,200.12x = 150,310.20 × 37,036.80
  4. Step 4: Simplify right side
    100,200.12x = 5,567,008,815.36
  5. Step 5: Solve for x
    x = 5,567,008,815.36/100,200.12
  6. Step 6: Final answer
    x = 55,558.90

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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.