Home / 165,996.80-229,075.80-90,546.56

Finding the Fourth Proportional to 165,996.80, 229,075.80 and 90,546.56

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Solution

The fourth proportional to 165,996.80, 229,075.80 and 90,546.56 is: 124,954.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,996.80 : 229,075.80 = 90,546.56 : x
  2. Step 2: Convert to fraction form
    165,996.80/229,075.80 = 90,546.56/x
  3. Step 3: Cross multiply
    165,996.80x = 229,075.80 × 90,546.56
  4. Step 4: Simplify right side
    165,996.80x = 20,742,025,669.25
  5. Step 5: Solve for x
    x = 20,742,025,669.25/165,996.80
  6. Step 6: Final answer
    x = 124,954.37

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1.5x scale

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.