Home / 187,982.81-259,375.63-119,092.31

Finding the Fourth Proportional to 187,982.81, 259,375.63 and 119,092.31

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Solution

The fourth proportional to 187,982.81, 259,375.63 and 119,092.31 is: 164,321.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,982.81 : 259,375.63 = 119,092.31 : x
  2. Step 2: Convert to fraction form
    187,982.81/259,375.63 = 119,092.31/x
  3. Step 3: Cross multiply
    187,982.81x = 259,375.63 × 119,092.31
  4. Step 4: Simplify right side
    187,982.81x = 30,889,642,934.41
  5. Step 5: Solve for x
    x = 30,889,642,934.41/187,982.81
  6. Step 6: Final answer
    x = 164,321.64

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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.