Home / 220,016.16-330,021.45-70,254.56

Finding the Fourth Proportional to 220,016.16, 330,021.45 and 70,254.56

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Solution

The fourth proportional to 220,016.16, 330,021.45 and 70,254.56 is: 105,380.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,016.16 : 330,021.45 = 70,254.56 : x
  2. Step 2: Convert to fraction form
    220,016.16/330,021.45 = 70,254.56/x
  3. Step 3: Cross multiply
    220,016.16x = 330,021.45 × 70,254.56
  4. Step 4: Simplify right side
    220,016.16x = 23,185,512,585.37
  5. Step 5: Solve for x
    x = 23,185,512,585.37/220,016.16
  6. Step 6: Final answer
    x = 105,380.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.