Home / 165,075.25-227,806.68-89,623.75

Finding the Fourth Proportional to 165,075.25, 227,806.68 and 89,623.75

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Solution

The fourth proportional to 165,075.25, 227,806.68 and 89,623.75 is: 123,682.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,075.25 : 227,806.68 = 89,623.75 : x
  2. Step 2: Convert to fraction form
    165,075.25/227,806.68 = 89,623.75/x
  3. Step 3: Cross multiply
    165,075.25x = 227,806.68 × 89,623.75
  4. Step 4: Simplify right side
    165,075.25x = 20,416,888,936.65
  5. Step 5: Solve for x
    x = 20,416,888,936.65/165,075.25
  6. Step 6: Final answer
    x = 123,682.31

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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.