Home / 131,610.69-181,622.07-71,181.27

Finding the Fourth Proportional to 131,610.69, 181,622.07 and 71,181.27

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Solution

The fourth proportional to 131,610.69, 181,622.07 and 71,181.27 is: 98,229.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,610.69 : 181,622.07 = 71,181.27 : x
  2. Step 2: Convert to fraction form
    131,610.69/181,622.07 = 71,181.27/x
  3. Step 3: Cross multiply
    131,610.69x = 181,622.07 × 71,181.27
  4. Step 4: Simplify right side
    131,610.69x = 12,928,089,602.63
  5. Step 5: Solve for x
    x = 12,928,089,602.63/131,610.69
  6. Step 6: Final answer
    x = 98,229.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.