Home / 100,772.42-151,217.03-50,856.41

Finding the Fourth Proportional to 100,772.42, 151,217.03 and 50,856.41

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Solution

The fourth proportional to 100,772.42, 151,217.03 and 50,856.41 is: 76,314.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,772.42 : 151,217.03 = 50,856.41 : x
  2. Step 2: Convert to fraction form
    100,772.42/151,217.03 = 50,856.41/x
  3. Step 3: Cross multiply
    100,772.42x = 151,217.03 × 50,856.41
  4. Step 4: Simplify right side
    100,772.42x = 7,690,355,781.85
  5. Step 5: Solve for x
    x = 7,690,355,781.85/100,772.42
  6. Step 6: Final answer
    x = 76,314.10

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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.