Home / 165,310.47-247,768.88-115,118.82

Finding the Fourth Proportional to 165,310.47, 247,768.88 and 115,118.82

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Solution

The fourth proportional to 165,310.47, 247,768.88 and 115,118.82 is: 172,541.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,310.47 : 247,768.88 = 115,118.82 : x
  2. Step 2: Convert to fraction form
    165,310.47/247,768.88 = 115,118.82/x
  3. Step 3: Cross multiply
    165,310.47x = 247,768.88 × 115,118.82
  4. Step 4: Simplify right side
    165,310.47x = 28,522,860,522.73
  5. Step 5: Solve for x
    x = 28,522,860,522.73/165,310.47
  6. Step 6: Final answer
    x = 172,541.16

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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.