Home / 139,606.79-192,657.22-75,944.43

Finding the Fourth Proportional to 139,606.79, 192,657.22 and 75,944.43

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Solution

The fourth proportional to 139,606.79, 192,657.22 and 75,944.43 is: 104,803.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,606.79 : 192,657.22 = 75,944.43 : x
  2. Step 2: Convert to fraction form
    139,606.79/192,657.22 = 75,944.43/x
  3. Step 3: Cross multiply
    139,606.79x = 192,657.22 × 75,944.43
  4. Step 4: Simplify right side
    139,606.79x = 14,631,242,378.56
  5. Step 5: Solve for x
    x = 14,631,242,378.56/139,606.79
  6. Step 6: Final answer
    x = 104,803.23

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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.