Home / 165,383.64-247,878.60-115,191.96

Finding the Fourth Proportional to 165,383.64, 247,878.60 and 115,191.96

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Solution

The fourth proportional to 165,383.64, 247,878.60 and 115,191.96 is: 172,650.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,383.64 : 247,878.60 = 115,191.96 : x
  2. Step 2: Convert to fraction form
    165,383.64/247,878.60 = 115,191.96/x
  3. Step 3: Cross multiply
    165,383.64x = 247,878.60 × 115,191.96
  4. Step 4: Simplify right side
    165,383.64x = 28,553,621,776.06
  5. Step 5: Solve for x
    x = 28,553,621,776.06/165,383.64
  6. Step 6: Final answer
    x = 172,650.82

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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.