Home / 165,140.97-227,895.72-89,689.47

Finding the Fourth Proportional to 165,140.97, 227,895.72 and 89,689.47

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Solution

The fourth proportional to 165,140.97, 227,895.72 and 89,689.47 is: 123,772.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,140.97 : 227,895.72 = 89,689.47 : x
  2. Step 2: Convert to fraction form
    165,140.97/227,895.72 = 89,689.47/x
  3. Step 3: Cross multiply
    165,140.97x = 227,895.72 × 89,689.47
  4. Step 4: Simplify right side
    165,140.97x = 20,439,846,342.07
  5. Step 5: Solve for x
    x = 20,439,846,342.07/165,140.97
  6. Step 6: Final answer
    x = 123,772.11

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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.