Home / 131,806.40-197,668.70-47,555.62

Finding the Fourth Proportional to 131,806.40, 197,668.70 and 47,555.62

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Solution

The fourth proportional to 131,806.40, 197,668.70 and 47,555.62 is: 71,318.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,806.40 : 197,668.70 = 47,555.62 : x
  2. Step 2: Convert to fraction form
    131,806.40/197,668.70 = 47,555.62/x
  3. Step 3: Cross multiply
    131,806.40x = 197,668.70 × 47,555.62
  4. Step 4: Simplify right side
    131,806.40x = 9,400,257,296.98
  5. Step 5: Solve for x
    x = 9,400,257,296.98/131,806.40
  6. Step 6: Final answer
    x = 71,318.67

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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.