Home / 100,174.74-150,266.97-82,612.50

Finding the Fourth Proportional to 100,174.74, 150,266.97 and 82,612.50

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Solution

The fourth proportional to 100,174.74, 150,266.97 and 82,612.50 is: 123,922.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,174.74 : 150,266.97 = 82,612.50 : x
  2. Step 2: Convert to fraction form
    100,174.74/150,266.97 = 82,612.50/x
  3. Step 3: Cross multiply
    100,174.74x = 150,266.97 × 82,612.50
  4. Step 4: Simplify right side
    100,174.74x = 12,413,930,059.13
  5. Step 5: Solve for x
    x = 12,413,930,059.13/100,174.74
  6. Step 6: Final answer
    x = 123,922.76

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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.