Home / 100,376.70-150,573.24-50,431.02

Finding the Fourth Proportional to 100,376.70, 150,573.24 and 50,431.02

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Solution

The fourth proportional to 100,376.70, 150,573.24 and 50,431.02 is: 75,650.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,376.70 : 150,573.24 = 50,431.02 : x
  2. Step 2: Convert to fraction form
    100,376.70/150,573.24 = 50,431.02/x
  3. Step 3: Cross multiply
    100,376.70x = 150,573.24 × 50,431.02
  4. Step 4: Simplify right side
    100,376.70x = 7,593,562,077.90
  5. Step 5: Solve for x
    x = 7,593,562,077.90/100,376.70
  6. Step 6: Final answer
    x = 75,650.64

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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.