Home / 181,901.22-272,888.82-76,720.56

Finding the Fourth Proportional to 181,901.22, 272,888.82 and 76,720.56

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Solution

The fourth proportional to 181,901.22, 272,888.82 and 76,720.56 is: 115,096.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,901.22 : 272,888.82 = 76,720.56 : x
  2. Step 2: Convert to fraction form
    181,901.22/272,888.82 = 76,720.56/x
  3. Step 3: Cross multiply
    181,901.22x = 272,888.82 × 76,720.56
  4. Step 4: Simplify right side
    181,901.22x = 20,936,183,088.14
  5. Step 5: Solve for x
    x = 20,936,183,088.14/181,901.22
  6. Step 6: Final answer
    x = 115,096.44

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1.5x scale

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.