Home / 181,628.22-272,439.59-81,717.86

Finding the Fourth Proportional to 181,628.22, 272,439.59 and 81,717.86

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Solution

The fourth proportional to 181,628.22, 272,439.59 and 81,717.86 is: 122,575.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,628.22 : 272,439.59 = 81,717.86 : x
  2. Step 2: Convert to fraction form
    181,628.22/272,439.59 = 81,717.86/x
  3. Step 3: Cross multiply
    181,628.22x = 272,439.59 × 81,717.86
  4. Step 4: Simplify right side
    181,628.22x = 22,263,180,274.08
  5. Step 5: Solve for x
    x = 22,263,180,274.08/181,628.22
  6. Step 6: Final answer
    x = 122,575.56

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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.