Home / 220,150.80-329,837.40-136,947.60

Finding the Fourth Proportional to 220,150.80, 329,837.40 and 136,947.60

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Solution

The fourth proportional to 220,150.80, 329,837.40 and 136,947.60 is: 205,179.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,150.80 : 329,837.40 = 136,947.60 : x
  2. Step 2: Convert to fraction form
    220,150.80/329,837.40 = 136,947.60/x
  3. Step 3: Cross multiply
    220,150.80x = 329,837.40 × 136,947.60
  4. Step 4: Simplify right side
    220,150.80x = 45,170,440,320.24
  5. Step 5: Solve for x
    x = 45,170,440,320.24/220,150.80
  6. Step 6: Final answer
    x = 205,179.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.