Home / 220,147.20-330,002.10-107,735.40

Finding the Fourth Proportional to 220,147.20, 330,002.10 and 107,735.40

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Solution

The fourth proportional to 220,147.20, 330,002.10 and 107,735.40 is: 161,496.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,147.20 : 330,002.10 = 107,735.40 : x
  2. Step 2: Convert to fraction form
    220,147.20/330,002.10 = 107,735.40/x
  3. Step 3: Cross multiply
    220,147.20x = 330,002.10 × 107,735.40
  4. Step 4: Simplify right side
    220,147.20x = 35,552,908,244.34
  5. Step 5: Solve for x
    x = 35,552,908,244.34/220,147.20
  6. Step 6: Final answer
    x = 161,496.07

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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.