Home / 181,627.22-272,438.09-81,716.86

Finding the Fourth Proportional to 181,627.22, 272,438.09 and 81,716.86

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Solution

The fourth proportional to 181,627.22, 272,438.09 and 81,716.86 is: 122,574.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,627.22 : 272,438.09 = 81,716.86 : x
  2. Step 2: Convert to fraction form
    181,627.22/272,438.09 = 81,716.86/x
  3. Step 3: Cross multiply
    181,627.22x = 272,438.09 × 81,716.86
  4. Step 4: Simplify right side
    181,627.22x = 22,262,785,259.20
  5. Step 5: Solve for x
    x = 22,262,785,259.20/181,627.22
  6. Step 6: Final answer
    x = 122,574.06

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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.