Home / 150,387.09-207,534.24-82,403.52

Finding the Fourth Proportional to 150,387.09, 207,534.24 and 82,403.52

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Solution

The fourth proportional to 150,387.09, 207,534.24 and 82,403.52 is: 113,716.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,387.09 : 207,534.24 = 82,403.52 : x
  2. Step 2: Convert to fraction form
    150,387.09/207,534.24 = 82,403.52/x
  3. Step 3: Cross multiply
    150,387.09x = 207,534.24 × 82,403.52
  4. Step 4: Simplify right side
    150,387.09x = 17,101,551,896.52
  5. Step 5: Solve for x
    x = 17,101,551,896.52/150,387.09
  6. Step 6: Final answer
    x = 113,716.89

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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.