Home / 84,205.72-126,262.14-34,273

Finding the Fourth Proportional to 84,205.72, 126,262.14 and 34,273

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Solution

The fourth proportional to 84,205.72, 126,262.14 and 34,273 is: 51,390.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,205.72 : 126,262.14 = 34,273 : x
  2. Step 2: Convert to fraction form
    84,205.72/126,262.14 = 34,273/x
  3. Step 3: Cross multiply
    84,205.72x = 126,262.14 × 34,273
  4. Step 4: Simplify right side
    84,205.72x = 4,327,382,324.22
  5. Step 5: Solve for x
    x = 4,327,382,324.22/84,205.72
  6. Step 6: Final answer
    x = 51,390.60

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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.