Home / 168,263.06-252,389.07-68,393.78

Finding the Fourth Proportional to 168,263.06, 252,389.07 and 68,393.78

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Solution

The fourth proportional to 168,263.06, 252,389.07 and 68,393.78 is: 102,588.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,263.06 : 252,389.07 = 68,393.78 : x
  2. Step 2: Convert to fraction form
    168,263.06/252,389.07 = 68,393.78/x
  3. Step 3: Cross multiply
    168,263.06x = 252,389.07 × 68,393.78
  4. Step 4: Simplify right side
    168,263.06x = 17,261,842,527.98
  5. Step 5: Solve for x
    x = 17,261,842,527.98/168,263.06
  6. Step 6: Final answer
    x = 102,588.43

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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.