Home / 181,900.22-272,887.32-76,719.56

Finding the Fourth Proportional to 181,900.22, 272,887.32 and 76,719.56

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Solution

The fourth proportional to 181,900.22, 272,887.32 and 76,719.56 is: 115,094.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,900.22 : 272,887.32 = 76,719.56 : x
  2. Step 2: Convert to fraction form
    181,900.22/272,887.32 = 76,719.56/x
  3. Step 3: Cross multiply
    181,900.22x = 272,887.32 × 76,719.56
  4. Step 4: Simplify right side
    181,900.22x = 20,935,795,119.98
  5. Step 5: Solve for x
    x = 20,935,795,119.98/181,900.22
  6. Step 6: Final answer
    x = 115,094.94

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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.