Home / 131,625.19-181,642.08-71,195.77

Finding the Fourth Proportional to 131,625.19, 181,642.08 and 71,195.77

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Solution

The fourth proportional to 131,625.19, 181,642.08 and 71,195.77 is: 98,249.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,625.19 : 181,642.08 = 71,195.77 : x
  2. Step 2: Convert to fraction form
    131,625.19/181,642.08 = 71,195.77/x
  3. Step 3: Cross multiply
    131,625.19x = 181,642.08 × 71,195.77
  4. Step 4: Simplify right side
    131,625.19x = 12,932,147,750.00
  5. Step 5: Solve for x
    x = 12,932,147,750.00/131,625.19
  6. Step 6: Final answer
    x = 98,249.79

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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.