Home / 149,692.19-206,224.31-104,288.04

Finding the Fourth Proportional to 149,692.19, 206,224.31 and 104,288.04

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Solution

The fourth proportional to 149,692.19, 206,224.31 and 104,288.04 is: 143,673.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,692.19 : 206,224.31 = 104,288.04 : x
  2. Step 2: Convert to fraction form
    149,692.19/206,224.31 = 104,288.04/x
  3. Step 3: Cross multiply
    149,692.19x = 206,224.31 × 104,288.04
  4. Step 4: Simplify right side
    149,692.19x = 21,506,729,350.97
  5. Step 5: Solve for x
    x = 21,506,729,350.97/149,692.19
  6. Step 6: Final answer
    x = 143,673.03

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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.