Home / 84,196.10-126,184.79-34,218.03

Finding the Fourth Proportional to 84,196.10, 126,184.79 and 34,218.03

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Solution

The fourth proportional to 84,196.10, 126,184.79 and 34,218.03 is: 51,282.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,196.10 : 126,184.79 = 34,218.03 : x
  2. Step 2: Convert to fraction form
    84,196.10/126,184.79 = 34,218.03/x
  3. Step 3: Cross multiply
    84,196.10x = 126,184.79 × 34,218.03
  4. Step 4: Simplify right side
    84,196.10x = 4,317,794,929.76
  5. Step 5: Solve for x
    x = 4,317,794,929.76/84,196.10
  6. Step 6: Final answer
    x = 51,282.60

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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.