Home / 181,815.22-272,759.82-76,634.02

Finding the Fourth Proportional to 181,815.22, 272,759.82 and 76,634.02

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Solution

The fourth proportional to 181,815.22, 272,759.82 and 76,634.02 is: 114,966.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,815.22 : 272,759.82 = 76,634.02 : x
  2. Step 2: Convert to fraction form
    181,815.22/272,759.82 = 76,634.02/x
  3. Step 3: Cross multiply
    181,815.22x = 272,759.82 × 76,634.02
  4. Step 4: Simplify right side
    181,815.22x = 20,902,681,501.08
  5. Step 5: Solve for x
    x = 20,902,681,501.08/181,815.22
  6. Step 6: Final answer
    x = 114,966.62

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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.