Home / 150,221.56-207,306.21-82,239.12

Finding the Fourth Proportional to 150,221.56, 207,306.21 and 82,239.12

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Solution

The fourth proportional to 150,221.56, 207,306.21 and 82,239.12 is: 113,490.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,221.56 : 207,306.21 = 82,239.12 : x
  2. Step 2: Convert to fraction form
    150,221.56/207,306.21 = 82,239.12/x
  3. Step 3: Cross multiply
    150,221.56x = 207,306.21 × 82,239.12
  4. Step 4: Simplify right side
    150,221.56x = 17,048,680,280.94
  5. Step 5: Solve for x
    x = 17,048,680,280.94/150,221.56
  6. Step 6: Final answer
    x = 113,490.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.