Home / 181,453.08-272,085.90-81,527.88

Finding the Fourth Proportional to 181,453.08, 272,085.90 and 81,527.88

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Solution

The fourth proportional to 181,453.08, 272,085.90 and 81,527.88 is: 122,249.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,453.08 : 272,085.90 = 81,527.88 : x
  2. Step 2: Convert to fraction form
    181,453.08/272,085.90 = 81,527.88/x
  3. Step 3: Cross multiply
    181,453.08x = 272,085.90 × 81,527.88
  4. Step 4: Simplify right side
    181,453.08x = 22,182,586,604.89
  5. Step 5: Solve for x
    x = 22,182,586,604.89/181,453.08
  6. Step 6: Final answer
    x = 122,249.71

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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.