Home / 150,317.07-207,439.68-82,332.65

Finding the Fourth Proportional to 150,317.07, 207,439.68 and 82,332.65

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Solution

The fourth proportional to 150,317.07, 207,439.68 and 82,332.65 is: 113,620.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,317.07 : 207,439.68 = 82,332.65 : x
  2. Step 2: Convert to fraction form
    150,317.07/207,439.68 = 82,332.65/x
  3. Step 3: Cross multiply
    150,317.07x = 207,439.68 × 82,332.65
  4. Step 4: Simplify right side
    150,317.07x = 17,079,059,396.90
  5. Step 5: Solve for x
    x = 17,079,059,396.90/150,317.07
  6. Step 6: Final answer
    x = 113,620.23

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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.