Home / 84,236.96-126,281.43-34,359.05

Finding the Fourth Proportional to 84,236.96, 126,281.43 and 34,359.05

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Solution

The fourth proportional to 84,236.96, 126,281.43 and 34,359.05 is: 51,508.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,236.96 : 126,281.43 = 34,359.05 : x
  2. Step 2: Convert to fraction form
    84,236.96/126,281.43 = 34,359.05/x
  3. Step 3: Cross multiply
    84,236.96x = 126,281.43 × 34,359.05
  4. Step 4: Simplify right side
    84,236.96x = 4,338,910,283.15
  5. Step 5: Solve for x
    x = 4,338,910,283.15/84,236.96
  6. Step 6: Final answer
    x = 51,508.39

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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.