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Finding the Fourth Proportional to 86,167.67, 118,913.04 and 50,378.42

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Solution

The fourth proportional to 86,167.67, 118,913.04 and 50,378.42 is: 69,523.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,167.67 : 118,913.04 = 50,378.42 : x
  2. Step 2: Convert to fraction form
    86,167.67/118,913.04 = 50,378.42/x
  3. Step 3: Cross multiply
    86,167.67x = 118,913.04 × 50,378.42
  4. Step 4: Simplify right side
    86,167.67x = 5,990,651,369.88
  5. Step 5: Solve for x
    x = 5,990,651,369.88/86,167.67
  6. Step 6: Final answer
    x = 69,523.19

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1.5x scale

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.