Home / 131,806.42-197,668.73-47,555.63

Finding the Fourth Proportional to 131,806.42, 197,668.73 and 47,555.63

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Solution

The fourth proportional to 131,806.42, 197,668.73 and 47,555.63 is: 71,318.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,806.42 : 197,668.73 = 47,555.63 : x
  2. Step 2: Convert to fraction form
    131,806.42/197,668.73 = 47,555.63/x
  3. Step 3: Cross multiply
    131,806.42x = 197,668.73 × 47,555.63
  4. Step 4: Simplify right side
    131,806.42x = 9,400,260,986.45
  5. Step 5: Solve for x
    x = 9,400,260,986.45/131,806.42
  6. Step 6: Final answer
    x = 71,318.69

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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.