Home / 181,951.22-272,976.24-103,120.81

Finding the Fourth Proportional to 181,951.22, 272,976.24 and 103,120.81

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Solution

The fourth proportional to 181,951.22, 272,976.24 and 103,120.81 is: 154,709.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,951.22 : 272,976.24 = 103,120.81 : x
  2. Step 2: Convert to fraction form
    181,951.22/272,976.24 = 103,120.81/x
  3. Step 3: Cross multiply
    181,951.22x = 272,976.24 × 103,120.81
  4. Step 4: Simplify right side
    181,951.22x = 28,149,529,614.67
  5. Step 5: Solve for x
    x = 28,149,529,614.67/181,951.22
  6. Step 6: Final answer
    x = 154,709.21

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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.