Home / 156,226.14-215,590.92-84,604.50

Finding the Fourth Proportional to 156,226.14, 215,590.92 and 84,604.50

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Solution

The fourth proportional to 156,226.14, 215,590.92 and 84,604.50 is: 116,753.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,226.14 : 215,590.92 = 84,604.50 : x
  2. Step 2: Convert to fraction form
    156,226.14/215,590.92 = 84,604.50/x
  3. Step 3: Cross multiply
    156,226.14x = 215,590.92 × 84,604.50
  4. Step 4: Simplify right side
    156,226.14x = 18,239,961,991.14
  5. Step 5: Solve for x
    x = 18,239,961,991.14/156,226.14
  6. Step 6: Final answer
    x = 116,753.59

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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.