Home / 181,612.56-272,645.64-122,709.36

Finding the Fourth Proportional to 181,612.56, 272,645.64 and 122,709.36

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Solution

The fourth proportional to 181,612.56, 272,645.64 and 122,709.36 is: 184,217.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,612.56 : 272,645.64 = 122,709.36 : x
  2. Step 2: Convert to fraction form
    181,612.56/272,645.64 = 122,709.36/x
  3. Step 3: Cross multiply
    181,612.56x = 272,645.64 × 122,709.36
  4. Step 4: Simplify right side
    181,612.56x = 33,456,171,991.19
  5. Step 5: Solve for x
    x = 33,456,171,991.19/181,612.56
  6. Step 6: Final answer
    x = 184,217.28

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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.