Home / 215,835.67-297,842.29-120,323.89

Finding the Fourth Proportional to 215,835.67, 297,842.29 and 120,323.89

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Solution

The fourth proportional to 215,835.67, 297,842.29 and 120,323.89 is: 166,040.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,835.67 : 297,842.29 = 120,323.89 : x
  2. Step 2: Convert to fraction form
    215,835.67/297,842.29 = 120,323.89/x
  3. Step 3: Cross multiply
    215,835.67x = 297,842.29 × 120,323.89
  4. Step 4: Simplify right side
    215,835.67x = 35,837,542,939.31
  5. Step 5: Solve for x
    x = 35,837,542,939.31/215,835.67
  6. Step 6: Final answer
    x = 166,040.87

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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.