Home / 89,110.31-133,874.48-84,066.44

Finding the Fourth Proportional to 89,110.31, 133,874.48 and 84,066.44

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Solution

The fourth proportional to 89,110.31, 133,874.48 and 84,066.44 is: 126,296.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,110.31 : 133,874.48 = 84,066.44 : x
  2. Step 2: Convert to fraction form
    89,110.31/133,874.48 = 84,066.44/x
  3. Step 3: Cross multiply
    89,110.31x = 133,874.48 × 84,066.44
  4. Step 4: Simplify right side
    89,110.31x = 11,254,350,940.45
  5. Step 5: Solve for x
    x = 11,254,350,940.45/89,110.31
  6. Step 6: Final answer
    x = 126,296.84

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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.