Home / 220,743.56-304,626.12-120,141.56

Finding the Fourth Proportional to 220,743.56, 304,626.12 and 120,141.56

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Solution

The fourth proportional to 220,743.56, 304,626.12 and 120,141.56 is: 165,795.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,743.56 : 304,626.12 = 120,141.56 : x
  2. Step 2: Convert to fraction form
    220,743.56/304,626.12 = 120,141.56/x
  3. Step 3: Cross multiply
    220,743.56x = 304,626.12 × 120,141.56
  4. Step 4: Simplify right side
    220,743.56x = 36,598,257,584.58
  5. Step 5: Solve for x
    x = 36,598,257,584.58/220,743.56
  6. Step 6: Final answer
    x = 165,795.36

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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.