Home / 100,195.47-150,193.35-50,122.71

Finding the Fourth Proportional to 100,195.47, 150,193.35 and 50,122.71

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Solution

The fourth proportional to 100,195.47, 150,193.35 and 50,122.71 is: 75,134.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,195.47 : 150,193.35 = 50,122.71 : x
  2. Step 2: Convert to fraction form
    100,195.47/150,193.35 = 50,122.71/x
  3. Step 3: Cross multiply
    100,195.47x = 150,193.35 × 50,122.71
  4. Step 4: Simplify right side
    100,195.47x = 7,528,097,725.98
  5. Step 5: Solve for x
    x = 7,528,097,725.98/100,195.47
  6. Step 6: Final answer
    x = 75,134.11

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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.