Home / 156,504.24-215,976.24-84,883.68

Finding the Fourth Proportional to 156,504.24, 215,976.24 and 84,883.68

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Solution

The fourth proportional to 156,504.24, 215,976.24 and 84,883.68 is: 117,139.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,504.24 : 215,976.24 = 84,883.68 : x
  2. Step 2: Convert to fraction form
    156,504.24/215,976.24 = 84,883.68/x
  3. Step 3: Cross multiply
    156,504.24x = 215,976.24 × 84,883.68
  4. Step 4: Simplify right side
    156,504.24x = 18,332,858,043.76
  5. Step 5: Solve for x
    x = 18,332,858,043.76/156,504.24
  6. Step 6: Final answer
    x = 117,139.69

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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.