Home / 215,287.96-322,932.12-102,941.68

Finding the Fourth Proportional to 215,287.96, 322,932.12 and 102,941.68

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Solution

The fourth proportional to 215,287.96, 322,932.12 and 102,941.68 is: 154,412.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,287.96 : 322,932.12 = 102,941.68 : x
  2. Step 2: Convert to fraction form
    215,287.96/322,932.12 = 102,941.68/x
  3. Step 3: Cross multiply
    215,287.96x = 322,932.12 × 102,941.68
  4. Step 4: Simplify right side
    215,287.96x = 33,243,174,958.76
  5. Step 5: Solve for x
    x = 33,243,174,958.76/215,287.96
  6. Step 6: Final answer
    x = 154,412.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.