Home / 165,137.16-227,890.62-89,686.20

Finding the Fourth Proportional to 165,137.16, 227,890.62 and 89,686.20

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Solution

The fourth proportional to 165,137.16, 227,890.62 and 89,686.20 is: 123,767.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,137.16 : 227,890.62 = 89,686.20 : x
  2. Step 2: Convert to fraction form
    165,137.16/227,890.62 = 89,686.20/x
  3. Step 3: Cross multiply
    165,137.16x = 227,890.62 × 89,686.20
  4. Step 4: Simplify right side
    165,137.16x = 20,438,643,723.44
  5. Step 5: Solve for x
    x = 20,438,643,723.44/165,137.16
  6. Step 6: Final answer
    x = 123,767.68

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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.