Home / 84,204.72-126,260.64-34,272

Finding the Fourth Proportional to 84,204.72, 126,260.64 and 34,272

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Solution

The fourth proportional to 84,204.72, 126,260.64 and 34,272 is: 51,389.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,204.72 : 126,260.64 = 34,272 : x
  2. Step 2: Convert to fraction form
    84,204.72/126,260.64 = 34,272/x
  3. Step 3: Cross multiply
    84,204.72x = 126,260.64 × 34,272
  4. Step 4: Simplify right side
    84,204.72x = 4,327,204,654.08
  5. Step 5: Solve for x
    x = 4,327,204,654.08/84,204.72
  6. Step 6: Final answer
    x = 51,389.10

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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.