Home / 187,939.96-259,356.81-103,062.49

Finding the Fourth Proportional to 187,939.96, 259,356.81 and 103,062.49

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Solution

The fourth proportional to 187,939.96, 259,356.81 and 103,062.49 is: 142,226.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,939.96 : 259,356.81 = 103,062.49 : x
  2. Step 2: Convert to fraction form
    187,939.96/259,356.81 = 103,062.49/x
  3. Step 3: Cross multiply
    187,939.96x = 259,356.81 × 103,062.49
  4. Step 4: Simplify right side
    187,939.96x = 26,729,958,637.06
  5. Step 5: Solve for x
    x = 26,729,958,637.06/187,939.96
  6. Step 6: Final answer
    x = 142,226.05

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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.