Home / 135,687.38-203,549.58-46,917.04

Finding the Fourth Proportional to 135,687.38, 203,549.58 and 46,917.04

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Solution

The fourth proportional to 135,687.38, 203,549.58 and 46,917.04 is: 70,381.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,687.38 : 203,549.58 = 46,917.04 : x
  2. Step 2: Convert to fraction form
    135,687.38/203,549.58 = 46,917.04/x
  3. Step 3: Cross multiply
    135,687.38x = 203,549.58 × 46,917.04
  4. Step 4: Simplify right side
    135,687.38x = 9,549,943,786.84
  5. Step 5: Solve for x
    x = 9,549,943,786.84/135,687.38
  6. Step 6: Final answer
    x = 70,381.96

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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.