Home / 131,739.99-181,825.82-75,151.37

Finding the Fourth Proportional to 131,739.99, 181,825.82 and 75,151.37

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Solution

The fourth proportional to 131,739.99, 181,825.82 and 75,151.37 is: 103,722.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,739.99 : 181,825.82 = 75,151.37 : x
  2. Step 2: Convert to fraction form
    131,739.99/181,825.82 = 75,151.37/x
  3. Step 3: Cross multiply
    131,739.99x = 181,825.82 × 75,151.37
  4. Step 4: Simplify right side
    131,739.99x = 13,664,458,189.49
  5. Step 5: Solve for x
    x = 13,664,458,189.49/131,739.99
  6. Step 6: Final answer
    x = 103,722.93

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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.