Home / 84,109.44-126,251.64-61,947.84

Finding the Fourth Proportional to 84,109.44, 126,251.64 and 61,947.84

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Solution

The fourth proportional to 84,109.44, 126,251.64 and 61,947.84 is: 92,986.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,109.44 : 126,251.64 = 61,947.84 : x
  2. Step 2: Convert to fraction form
    84,109.44/126,251.64 = 61,947.84/x
  3. Step 3: Cross multiply
    84,109.44x = 126,251.64 × 61,947.84
  4. Step 4: Simplify right side
    84,109.44x = 7,821,016,394.46
  5. Step 5: Solve for x
    x = 7,821,016,394.46/84,109.44
  6. Step 6: Final answer
    x = 92,986.19

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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.