Home / 131,815.27-197,682-47,564.49

Finding the Fourth Proportional to 131,815.27, 197,682 and 47,564.49

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Solution

The fourth proportional to 131,815.27, 197,682 and 47,564.49 is: 71,331.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,815.27 : 197,682 = 47,564.49 : x
  2. Step 2: Convert to fraction form
    131,815.27/197,682 = 47,564.49/x
  3. Step 3: Cross multiply
    131,815.27x = 197,682 × 47,564.49
  4. Step 4: Simplify right side
    131,815.27x = 9,402,643,512.18
  5. Step 5: Solve for x
    x = 9,402,643,512.18/131,815.27
  6. Step 6: Final answer
    x = 71,331.97

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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.