Home / 100,245.56-150,321.24-58,137.60

Finding the Fourth Proportional to 100,245.56, 150,321.24 and 58,137.60

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Solution

The fourth proportional to 100,245.56, 150,321.24 and 58,137.60 is: 87,179.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,245.56 : 150,321.24 = 58,137.60 : x
  2. Step 2: Convert to fraction form
    100,245.56/150,321.24 = 58,137.60/x
  3. Step 3: Cross multiply
    100,245.56x = 150,321.24 × 58,137.60
  4. Step 4: Simplify right side
    100,245.56x = 8,739,316,122.62
  5. Step 5: Solve for x
    x = 8,739,316,122.62/100,245.56
  6. Step 6: Final answer
    x = 87,179.08

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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.