Home / 131,669.68-181,704.03-74,321.07

Finding the Fourth Proportional to 131,669.68, 181,704.03 and 74,321.07

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Solution

The fourth proportional to 131,669.68, 181,704.03 and 74,321.07 is: 102,563.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,669.68 : 181,704.03 = 74,321.07 : x
  2. Step 2: Convert to fraction form
    131,669.68/181,704.03 = 74,321.07/x
  3. Step 3: Cross multiply
    131,669.68x = 181,704.03 × 74,321.07
  4. Step 4: Simplify right side
    131,669.68x = 13,504,437,932.91
  5. Step 5: Solve for x
    x = 13,504,437,932.91/131,669.68
  6. Step 6: Final answer
    x = 102,563.00

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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.