Home / 220,961.54-304,929-125,470.23

Finding the Fourth Proportional to 220,961.54, 304,929 and 125,470.23

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Solution

The fourth proportional to 220,961.54, 304,929 and 125,470.23 is: 173,150.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,961.54 : 304,929 = 125,470.23 : x
  2. Step 2: Convert to fraction form
    220,961.54/304,929 = 125,470.23/x
  3. Step 3: Cross multiply
    220,961.54x = 304,929 × 125,470.23
  4. Step 4: Simplify right side
    220,961.54x = 38,259,511,763.67
  5. Step 5: Solve for x
    x = 38,259,511,763.67/220,961.54
  6. Step 6: Final answer
    x = 173,150.10

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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.