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Finding the Fourth Proportional to 187,233.88, 258,388.38 and 102,355.48

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Solution

The fourth proportional to 187,233.88, 258,388.38 and 102,355.48 is: 141,253.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,233.88 : 258,388.38 = 102,355.48 : x
  2. Step 2: Convert to fraction form
    187,233.88/258,388.38 = 102,355.48/x
  3. Step 3: Cross multiply
    187,233.88x = 258,388.38 × 102,355.48
  4. Step 4: Simplify right side
    187,233.88x = 26,447,466,661.32
  5. Step 5: Solve for x
    x = 26,447,466,661.32/187,233.88
  6. Step 6: Final answer
    x = 141,253.64

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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.