Home / 165,322.80-247,984.20-109,335.60

Finding the Fourth Proportional to 165,322.80, 247,984.20 and 109,335.60

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Solution

The fourth proportional to 165,322.80, 247,984.20 and 109,335.60 is: 164,003.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,322.80 : 247,984.20 = 109,335.60 : x
  2. Step 2: Convert to fraction form
    165,322.80/247,984.20 = 109,335.60/x
  3. Step 3: Cross multiply
    165,322.80x = 247,984.20 × 109,335.60
  4. Step 4: Simplify right side
    165,322.80x = 27,113,501,297.52
  5. Step 5: Solve for x
    x = 27,113,501,297.52/165,322.80
  6. Step 6: Final answer
    x = 164,003.40

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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.