Home / 441,829.20-662,743.80-109,405.20

Finding the Fourth Proportional to 441,829.20, 662,743.80 and 109,405.20

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Solution

The fourth proportional to 441,829.20, 662,743.80 and 109,405.20 is: 164,107.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,829.20 : 662,743.80 = 109,405.20 : x
  2. Step 2: Convert to fraction form
    441,829.20/662,743.80 = 109,405.20/x
  3. Step 3: Cross multiply
    441,829.20x = 662,743.80 × 109,405.20
  4. Step 4: Simplify right side
    441,829.20x = 72,507,617,987.76
  5. Step 5: Solve for x
    x = 72,507,617,987.76/441,829.20
  6. Step 6: Final answer
    x = 164,107.80

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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.