Home / 181,620.05-272,427.03-81,709.52

Finding the Fourth Proportional to 181,620.05, 272,427.03 and 81,709.52

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Solution

The fourth proportional to 181,620.05, 272,427.03 and 81,709.52 is: 122,562.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,620.05 : 272,427.03 = 81,709.52 : x
  2. Step 2: Convert to fraction form
    181,620.05/272,427.03 = 81,709.52/x
  3. Step 3: Cross multiply
    181,620.05x = 272,427.03 × 81,709.52
  4. Step 4: Simplify right side
    181,620.05x = 22,259,880,494.19
  5. Step 5: Solve for x
    x = 22,259,880,494.19/181,620.05
  6. Step 6: Final answer
    x = 122,562.91

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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.