Home / 139,527.60-192,545.82-75,867

Finding the Fourth Proportional to 139,527.60, 192,545.82 and 75,867

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Solution

The fourth proportional to 139,527.60, 192,545.82 and 75,867 is: 104,695.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,527.60 : 192,545.82 = 75,867 : x
  2. Step 2: Convert to fraction form
    139,527.60/192,545.82 = 75,867/x
  3. Step 3: Cross multiply
    139,527.60x = 192,545.82 × 75,867
  4. Step 4: Simplify right side
    139,527.60x = 14,607,873,725.94
  5. Step 5: Solve for x
    x = 14,607,873,725.94/139,527.60
  6. Step 6: Final answer
    x = 104,695.23

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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.