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Finding the Fourth Proportional to 100,477.12, 150,738.64 and 43,560.52

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Solution

The fourth proportional to 100,477.12, 150,738.64 and 43,560.52 is: 65,350.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,477.12 : 150,738.64 = 43,560.52 : x
  2. Step 2: Convert to fraction form
    100,477.12/150,738.64 = 43,560.52/x
  3. Step 3: Cross multiply
    100,477.12x = 150,738.64 × 43,560.52
  4. Step 4: Simplify right side
    100,477.12x = 6,566,253,542.49
  5. Step 5: Solve for x
    x = 6,566,253,542.49/100,477.12
  6. Step 6: Final answer
    x = 65,350.73

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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.