Home / 150,515.13-207,713.22-82,538.31

Finding the Fourth Proportional to 150,515.13, 207,713.22 and 82,538.31

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Solution

The fourth proportional to 150,515.13, 207,713.22 and 82,538.31 is: 113,904.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,515.13 : 207,713.22 = 82,538.31 : x
  2. Step 2: Convert to fraction form
    150,515.13/207,713.22 = 82,538.31/x
  3. Step 3: Cross multiply
    150,515.13x = 207,713.22 × 82,538.31
  4. Step 4: Simplify right side
    150,515.13x = 17,144,298,143.46
  5. Step 5: Solve for x
    x = 17,144,298,143.46/150,515.13
  6. Step 6: Final answer
    x = 113,904.15

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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.