Home / 181,971.28-272,624.41-131,927.32

Finding the Fourth Proportional to 181,971.28, 272,624.41 and 131,927.32

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Solution

The fourth proportional to 181,971.28, 272,624.41 and 131,927.32 is: 197,649.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,971.28 : 272,624.41 = 131,927.32 : x
  2. Step 2: Convert to fraction form
    181,971.28/272,624.41 = 131,927.32/x
  3. Step 3: Cross multiply
    181,971.28x = 272,624.41 × 131,927.32
  4. Step 4: Simplify right side
    181,971.28x = 35,966,607,777.88
  5. Step 5: Solve for x
    x = 35,966,607,777.88/181,971.28
  6. Step 6: Final answer
    x = 197,649.91

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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.