Home / 134,218.88-185,217.32-73,789.09

Finding the Fourth Proportional to 134,218.88, 185,217.32 and 73,789.09

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Solution

The fourth proportional to 134,218.88, 185,217.32 and 73,789.09 is: 101,826.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,218.88 : 185,217.32 = 73,789.09 : x
  2. Step 2: Convert to fraction form
    134,218.88/185,217.32 = 73,789.09/x
  3. Step 3: Cross multiply
    134,218.88x = 185,217.32 × 73,789.09
  4. Step 4: Simplify right side
    134,218.88x = 13,667,017,216.47
  5. Step 5: Solve for x
    x = 13,667,017,216.47/134,218.88
  6. Step 6: Final answer
    x = 101,826.34

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1.5x scale

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.