Home / 165,137.67-247,801.85-89,236.47

Finding the Fourth Proportional to 165,137.67, 247,801.85 and 89,236.47

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Solution

The fourth proportional to 165,137.67, 247,801.85 and 89,236.47 is: 133,906.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,137.67 : 247,801.85 = 89,236.47 : x
  2. Step 2: Convert to fraction form
    165,137.67/247,801.85 = 89,236.47/x
  3. Step 3: Cross multiply
    165,137.67x = 247,801.85 × 89,236.47
  4. Step 4: Simplify right side
    165,137.67x = 22,112,961,907.29
  5. Step 5: Solve for x
    x = 22,112,961,907.29/165,137.67
  6. Step 6: Final answer
    x = 133,906.22

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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.