Home / 150,389.22-207,537.17-82,405.64

Finding the Fourth Proportional to 150,389.22, 207,537.17 and 82,405.64

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Solution

The fourth proportional to 150,389.22, 207,537.17 and 82,405.64 is: 113,719.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,389.22 : 207,537.17 = 82,405.64 : x
  2. Step 2: Convert to fraction form
    150,389.22/207,537.17 = 82,405.64/x
  3. Step 3: Cross multiply
    150,389.22x = 207,537.17 × 82,405.64
  4. Step 4: Simplify right side
    150,389.22x = 17,102,233,317.64
  5. Step 5: Solve for x
    x = 17,102,233,317.64/150,389.22
  6. Step 6: Final answer
    x = 113,719.81

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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.