Home / 218,728.82-301,844.40-123,266.18

Finding the Fourth Proportional to 218,728.82, 301,844.40 and 123,266.18

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Solution

The fourth proportional to 218,728.82, 301,844.40 and 123,266.18 is: 170,106.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,728.82 : 301,844.40 = 123,266.18 : x
  2. Step 2: Convert to fraction form
    218,728.82/301,844.40 = 123,266.18/x
  3. Step 3: Cross multiply
    218,728.82x = 301,844.40 × 123,266.18
  4. Step 4: Simplify right side
    218,728.82x = 37,207,206,142.39
  5. Step 5: Solve for x
    x = 37,207,206,142.39/218,728.82
  6. Step 6: Final answer
    x = 170,106.56

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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.