Home / 165,155.45-227,914.73-89,703.95

Finding the Fourth Proportional to 165,155.45, 227,914.73 and 89,703.95

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Solution

The fourth proportional to 165,155.45, 227,914.73 and 89,703.95 is: 123,791.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,155.45 : 227,914.73 = 89,703.95 : x
  2. Step 2: Convert to fraction form
    165,155.45/227,914.73 = 89,703.95/x
  3. Step 3: Cross multiply
    165,155.45x = 227,914.73 × 89,703.95
  4. Step 4: Simplify right side
    165,155.45x = 20,444,849,956.09
  5. Step 5: Solve for x
    x = 20,444,849,956.09/165,155.45
  6. Step 6: Final answer
    x = 123,791.56

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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.