Home / 156,296.39-215,689.24-84,676.41

Finding the Fourth Proportional to 156,296.39, 215,689.24 and 84,676.41

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Solution

The fourth proportional to 156,296.39, 215,689.24 and 84,676.41 is: 116,853.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,296.39 : 215,689.24 = 84,676.41 : x
  2. Step 2: Convert to fraction form
    156,296.39/215,689.24 = 84,676.41/x
  3. Step 3: Cross multiply
    156,296.39x = 215,689.24 × 84,676.41
  4. Step 4: Simplify right side
    156,296.39x = 18,263,790,518.83
  5. Step 5: Solve for x
    x = 18,263,790,518.83/156,296.39
  6. Step 6: Final answer
    x = 116,853.57

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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.