Home / 156,067.37-215,372.27-84,448.65

Finding the Fourth Proportional to 156,067.37, 215,372.27 and 84,448.65

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Solution

The fourth proportional to 156,067.37, 215,372.27 and 84,448.65 is: 116,538.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,067.37 : 215,372.27 = 84,448.65 : x
  2. Step 2: Convert to fraction form
    156,067.37/215,372.27 = 84,448.65/x
  3. Step 3: Cross multiply
    156,067.37x = 215,372.27 × 84,448.65
  4. Step 4: Simplify right side
    156,067.37x = 18,187,897,660.06
  5. Step 5: Solve for x
    x = 18,187,897,660.06/156,067.37
  6. Step 6: Final answer
    x = 116,538.76

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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.