Home / 84,141.24-126,194.04-31,554.60

Finding the Fourth Proportional to 84,141.24, 126,194.04 and 31,554.60

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Solution

The fourth proportional to 84,141.24, 126,194.04 and 31,554.60 is: 47,325.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,141.24 : 126,194.04 = 31,554.60 : x
  2. Step 2: Convert to fraction form
    84,141.24/126,194.04 = 31,554.60/x
  3. Step 3: Cross multiply
    84,141.24x = 126,194.04 × 31,554.60
  4. Step 4: Simplify right side
    84,141.24x = 3,982,002,454.58
  5. Step 5: Solve for x
    x = 3,982,002,454.58/84,141.24
  6. Step 6: Final answer
    x = 47,325.22

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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.