Home / 139,301.26-192,317.78-84,873.96

Finding the Fourth Proportional to 139,301.26, 192,317.78 and 84,873.96

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Solution

The fourth proportional to 139,301.26, 192,317.78 and 84,873.96 is: 117,176.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,301.26 : 192,317.78 = 84,873.96 : x
  2. Step 2: Convert to fraction form
    139,301.26/192,317.78 = 84,873.96/x
  3. Step 3: Cross multiply
    139,301.26x = 192,317.78 × 84,873.96
  4. Step 4: Simplify right side
    139,301.26x = 16,322,771,567.01
  5. Step 5: Solve for x
    x = 16,322,771,567.01/139,301.26
  6. Step 6: Final answer
    x = 117,176.05

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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.