Home / 181,546.96-272,359.32-76,305.28

Finding the Fourth Proportional to 181,546.96, 272,359.32 and 76,305.28

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Solution

The fourth proportional to 181,546.96, 272,359.32 and 76,305.28 is: 114,474.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,546.96 : 272,359.32 = 76,305.28 : x
  2. Step 2: Convert to fraction form
    181,546.96/272,359.32 = 76,305.28/x
  3. Step 3: Cross multiply
    181,546.96x = 272,359.32 × 76,305.28
  4. Step 4: Simplify right side
    181,546.96x = 20,782,454,173.21
  5. Step 5: Solve for x
    x = 20,782,454,173.21/181,546.96
  6. Step 6: Final answer
    x = 114,474.26

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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.