Home / 131,622.60-197,207.10-61,357.80

Finding the Fourth Proportional to 131,622.60, 197,207.10 and 61,357.80

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Solution

The fourth proportional to 131,622.60, 197,207.10 and 61,357.80 is: 91,930.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,622.60 : 197,207.10 = 61,357.80 : x
  2. Step 2: Convert to fraction form
    131,622.60/197,207.10 = 61,357.80/x
  3. Step 3: Cross multiply
    131,622.60x = 197,207.10 × 61,357.80
  4. Step 4: Simplify right side
    131,622.60x = 12,100,193,800.38
  5. Step 5: Solve for x
    x = 12,100,193,800.38/131,622.60
  6. Step 6: Final answer
    x = 91,930.97

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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.