Home / 220,921.02-304,860.51-125,414.73

Finding the Fourth Proportional to 220,921.02, 304,860.51 and 125,414.73

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Solution

The fourth proportional to 220,921.02, 304,860.51 and 125,414.73 is: 173,066.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,921.02 : 304,860.51 = 125,414.73 : x
  2. Step 2: Convert to fraction form
    220,921.02/304,860.51 = 125,414.73/x
  3. Step 3: Cross multiply
    220,921.02x = 304,860.51 × 125,414.73
  4. Step 4: Simplify right side
    220,921.02x = 38,233,998,549.31
  5. Step 5: Solve for x
    x = 38,233,998,549.31/220,921.02
  6. Step 6: Final answer
    x = 173,066.37

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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.