Home / 187,938.42-259,366.82-103,055.48

Finding the Fourth Proportional to 187,938.42, 259,366.82 and 103,055.48

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Solution

The fourth proportional to 187,938.42, 259,366.82 and 103,055.48 is: 142,223.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,938.42 : 259,366.82 = 103,055.48 : x
  2. Step 2: Convert to fraction form
    187,938.42/259,366.82 = 103,055.48/x
  3. Step 3: Cross multiply
    187,938.42x = 259,366.82 × 103,055.48
  4. Step 4: Simplify right side
    187,938.42x = 26,729,172,131.17
  5. Step 5: Solve for x
    x = 26,729,172,131.17/187,938.42
  6. Step 6: Final answer
    x = 142,223.03

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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.