Home / 131,650.86-181,677.44-71,221.33

Finding the Fourth Proportional to 131,650.86, 181,677.44 and 71,221.33

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Solution

The fourth proportional to 131,650.86, 181,677.44 and 71,221.33 is: 98,285.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,650.86 : 181,677.44 = 71,221.33 : x
  2. Step 2: Convert to fraction form
    131,650.86/181,677.44 = 71,221.33/x
  3. Step 3: Cross multiply
    131,650.86x = 181,677.44 × 71,221.33
  4. Step 4: Simplify right side
    131,650.86x = 12,939,307,643.30
  5. Step 5: Solve for x
    x = 12,939,307,643.30/131,650.86
  6. Step 6: Final answer
    x = 98,285.02

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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.