Home / 187,067.80-280,601.70-74,765.35

Finding the Fourth Proportional to 187,067.80, 280,601.70 and 74,765.35

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Solution

The fourth proportional to 187,067.80, 280,601.70 and 74,765.35 is: 112,148.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,067.80 : 280,601.70 = 74,765.35 : x
  2. Step 2: Convert to fraction form
    187,067.80/280,601.70 = 74,765.35/x
  3. Step 3: Cross multiply
    187,067.80x = 280,601.70 × 74,765.35
  4. Step 4: Simplify right side
    187,067.80x = 20,979,284,311.10
  5. Step 5: Solve for x
    x = 20,979,284,311.10/187,067.80
  6. Step 6: Final answer
    x = 112,148.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.