Home / 86,197.14-118,956.09-47,956.89

Finding the Fourth Proportional to 86,197.14, 118,956.09 and 47,956.89

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Solution

The fourth proportional to 86,197.14, 118,956.09 and 47,956.89 is: 66,182.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,197.14 : 118,956.09 = 47,956.89 : x
  2. Step 2: Convert to fraction form
    86,197.14/118,956.09 = 47,956.89/x
  3. Step 3: Cross multiply
    86,197.14x = 118,956.09 × 47,956.89
  4. Step 4: Simplify right side
    86,197.14x = 5,704,764,122.96
  5. Step 5: Solve for x
    x = 5,704,764,122.96/86,197.14
  6. Step 6: Final answer
    x = 66,182.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.