Home / 134,906.27-186,169.61-74,477

Finding the Fourth Proportional to 134,906.27, 186,169.61 and 74,477

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Solution

The fourth proportional to 134,906.27, 186,169.61 and 74,477 is: 102,777.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,906.27 : 186,169.61 = 74,477 : x
  2. Step 2: Convert to fraction form
    134,906.27/186,169.61 = 74,477/x
  3. Step 3: Cross multiply
    134,906.27x = 186,169.61 × 74,477
  4. Step 4: Simplify right side
    134,906.27x = 13,865,354,043.97
  5. Step 5: Solve for x
    x = 13,865,354,043.97/134,906.27
  6. Step 6: Final answer
    x = 102,777.68

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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.