Home / 187,918.36-259,329.36-107,356.60

Finding the Fourth Proportional to 187,918.36, 259,329.36 and 107,356.60

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Solution

The fourth proportional to 187,918.36, 259,329.36 and 107,356.60 is: 148,153.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,918.36 : 259,329.36 = 107,356.60 : x
  2. Step 2: Convert to fraction form
    187,918.36/259,329.36 = 107,356.60/x
  3. Step 3: Cross multiply
    187,918.36x = 259,329.36 × 107,356.60
  4. Step 4: Simplify right side
    187,918.36x = 27,840,718,369.78
  5. Step 5: Solve for x
    x = 27,840,718,369.78/187,918.36
  6. Step 6: Final answer
    x = 148,153.26

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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.