Home / 220,965.95-304,922.20-125,470.60

Finding the Fourth Proportional to 220,965.95, 304,922.20 and 125,470.60

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Solution

The fourth proportional to 220,965.95, 304,922.20 and 125,470.60 is: 173,143.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,965.95 : 304,922.20 = 125,470.60 : x
  2. Step 2: Convert to fraction form
    220,965.95/304,922.20 = 125,470.60/x
  3. Step 3: Cross multiply
    220,965.95x = 304,922.20 × 125,470.60
  4. Step 4: Simplify right side
    220,965.95x = 38,258,771,387.32
  5. Step 5: Solve for x
    x = 38,258,771,387.32/220,965.95
  6. Step 6: Final answer
    x = 173,143.29

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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.