Home / 156,067.74-215,372.79-84,449.03

Finding the Fourth Proportional to 156,067.74, 215,372.79 and 84,449.03

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Solution

The fourth proportional to 156,067.74, 215,372.79 and 84,449.03 is: 116,539.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,067.74 : 215,372.79 = 84,449.03 : x
  2. Step 2: Convert to fraction form
    156,067.74/215,372.79 = 84,449.03/x
  3. Step 3: Cross multiply
    156,067.74x = 215,372.79 × 84,449.03
  4. Step 4: Simplify right side
    156,067.74x = 18,188,023,203.89
  5. Step 5: Solve for x
    x = 18,188,023,203.89/156,067.74
  6. Step 6: Final answer
    x = 116,539.29

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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.