Home / 215,231.96-297,024.10-119,747.54

Finding the Fourth Proportional to 215,231.96, 297,024.10 and 119,747.54

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Solution

The fourth proportional to 215,231.96, 297,024.10 and 119,747.54 is: 165,253.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,231.96 : 297,024.10 = 119,747.54 : x
  2. Step 2: Convert to fraction form
    215,231.96/297,024.10 = 119,747.54/x
  3. Step 3: Cross multiply
    215,231.96x = 297,024.10 × 119,747.54
  4. Step 4: Simplify right side
    215,231.96x = 35,567,905,295.71
  5. Step 5: Solve for x
    x = 35,567,905,295.71/215,231.96
  6. Step 6: Final answer
    x = 165,253.83

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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.