Home / 141,178.49-194,827.41-80,745.51

Finding the Fourth Proportional to 141,178.49, 194,827.41 and 80,745.51

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Solution

The fourth proportional to 141,178.49, 194,827.41 and 80,745.51 is: 111,429.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,178.49 : 194,827.41 = 80,745.51 : x
  2. Step 2: Convert to fraction form
    141,178.49/194,827.41 = 80,745.51/x
  3. Step 3: Cross multiply
    141,178.49x = 194,827.41 × 80,745.51
  4. Step 4: Simplify right side
    141,178.49x = 15,731,438,582.43
  5. Step 5: Solve for x
    x = 15,731,438,582.43/141,178.49
  6. Step 6: Final answer
    x = 111,429.43

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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.