Home / 220,153.28-330,229.94-87,096.20

Finding the Fourth Proportional to 220,153.28, 330,229.94 and 87,096.20

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Solution

The fourth proportional to 220,153.28, 330,229.94 and 87,096.20 is: 130,644.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,153.28 : 330,229.94 = 87,096.20 : x
  2. Step 2: Convert to fraction form
    220,153.28/330,229.94 = 87,096.20/x
  3. Step 3: Cross multiply
    220,153.28x = 330,229.94 × 87,096.20
  4. Step 4: Simplify right side
    220,153.28x = 28,761,772,900.23
  5. Step 5: Solve for x
    x = 28,761,772,900.23/220,153.28
  6. Step 6: Final answer
    x = 130,644.31

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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.