Home / 132,212.98-197,876.67-108,519.70

Finding the Fourth Proportional to 132,212.98, 197,876.67 and 108,519.70

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Solution

The fourth proportional to 132,212.98, 197,876.67 and 108,519.70 is: 162,416.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,212.98 : 197,876.67 = 108,519.70 : x
  2. Step 2: Convert to fraction form
    132,212.98/197,876.67 = 108,519.70/x
  3. Step 3: Cross multiply
    132,212.98x = 197,876.67 × 108,519.70
  4. Step 4: Simplify right side
    132,212.98x = 21,473,516,865.40
  5. Step 5: Solve for x
    x = 21,473,516,865.40/132,212.98
  6. Step 6: Final answer
    x = 162,416.10

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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.