Home / 220,342.20-330,622.65-125,645.10

Finding the Fourth Proportional to 220,342.20, 330,622.65 and 125,645.10

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Solution

The fourth proportional to 220,342.20, 330,622.65 and 125,645.10 is: 188,530.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,342.20 : 330,622.65 = 125,645.10 : x
  2. Step 2: Convert to fraction form
    220,342.20/330,622.65 = 125,645.10/x
  3. Step 3: Cross multiply
    220,342.20x = 330,622.65 × 125,645.10
  4. Step 4: Simplify right side
    220,342.20x = 41,541,115,921.52
  5. Step 5: Solve for x
    x = 41,541,115,921.52/220,342.20
  6. Step 6: Final answer
    x = 188,530.00

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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.