Home / 150,651.07-207,911.39-82,681.19

Finding the Fourth Proportional to 150,651.07, 207,911.39 and 82,681.19

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Solution

The fourth proportional to 150,651.07, 207,911.39 and 82,681.19 is: 114,107.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,651.07 : 207,911.39 = 82,681.19 : x
  2. Step 2: Convert to fraction form
    150,651.07/207,911.39 = 82,681.19/x
  3. Step 3: Cross multiply
    150,651.07x = 207,911.39 × 82,681.19
  4. Step 4: Simplify right side
    150,651.07x = 17,190,360,375.01
  5. Step 5: Solve for x
    x = 17,190,360,375.01/150,651.07
  6. Step 6: Final answer
    x = 114,107.12

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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.