Home / 139,556.14-192,585.66-75,892.57

Finding the Fourth Proportional to 139,556.14, 192,585.66 and 75,892.57

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Solution

The fourth proportional to 139,556.14, 192,585.66 and 75,892.57 is: 104,730.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,556.14 : 192,585.66 = 75,892.57 : x
  2. Step 2: Convert to fraction form
    139,556.14/192,585.66 = 75,892.57/x
  3. Step 3: Cross multiply
    139,556.14x = 192,585.66 × 75,892.57
  4. Step 4: Simplify right side
    139,556.14x = 14,615,820,682.55
  5. Step 5: Solve for x
    x = 14,615,820,682.55/139,556.14
  6. Step 6: Final answer
    x = 104,730.76

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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.