Home / 220,919.90-304,858.60-125,414.06

Finding the Fourth Proportional to 220,919.90, 304,858.60 and 125,414.06

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Solution

The fourth proportional to 220,919.90, 304,858.60 and 125,414.06 is: 173,065.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,919.90 : 304,858.60 = 125,414.06 : x
  2. Step 2: Convert to fraction form
    220,919.90/304,858.60 = 125,414.06/x
  3. Step 3: Cross multiply
    220,919.90x = 304,858.60 × 125,414.06
  4. Step 4: Simplify right side
    220,919.90x = 38,233,552,914.09
  5. Step 5: Solve for x
    x = 38,233,552,914.09/220,919.90
  6. Step 6: Final answer
    x = 173,065.23

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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.