Home / 168,686.84-253,021.62-50,359.16

Finding the Fourth Proportional to 168,686.84, 253,021.62 and 50,359.16

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Solution

The fourth proportional to 168,686.84, 253,021.62 and 50,359.16 is: 75,536.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,686.84 : 253,021.62 = 50,359.16 : x
  2. Step 2: Convert to fraction form
    168,686.84/253,021.62 = 50,359.16/x
  3. Step 3: Cross multiply
    168,686.84x = 253,021.62 × 50,359.16
  4. Step 4: Simplify right side
    168,686.84x = 12,741,956,245.04
  5. Step 5: Solve for x
    x = 12,741,956,245.04/168,686.84
  6. Step 6: Final answer
    x = 75,536.16

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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.