Home / 220,563.72-304,447.20-125,133.84

Finding the Fourth Proportional to 220,563.72, 304,447.20 and 125,133.84

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Solution

The fourth proportional to 220,563.72, 304,447.20 and 125,133.84 is: 172,724.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,563.72 : 304,447.20 = 125,133.84 : x
  2. Step 2: Convert to fraction form
    220,563.72/304,447.20 = 125,133.84/x
  3. Step 3: Cross multiply
    220,563.72x = 304,447.20 × 125,133.84
  4. Step 4: Simplify right side
    220,563.72x = 38,096,647,213.25
  5. Step 5: Solve for x
    x = 38,096,647,213.25/220,563.72
  6. Step 6: Final answer
    x = 172,724.00

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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.