Home / 156,067.15-215,372.64-84,447.22

Finding the Fourth Proportional to 156,067.15, 215,372.64 and 84,447.22

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Solution

The fourth proportional to 156,067.15, 215,372.64 and 84,447.22 is: 116,537.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,067.15 : 215,372.64 = 84,447.22 : x
  2. Step 2: Convert to fraction form
    156,067.15/215,372.64 = 84,447.22/x
  3. Step 3: Cross multiply
    156,067.15x = 215,372.64 × 84,447.22
  4. Step 4: Simplify right side
    156,067.15x = 18,187,620,712.06
  5. Step 5: Solve for x
    x = 18,187,620,712.06/156,067.15
  6. Step 6: Final answer
    x = 116,537.15

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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.