Home / 187,895.82-259,093.71-142,656.78

Finding the Fourth Proportional to 187,895.82, 259,093.71 and 142,656.78

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Solution

The fourth proportional to 187,895.82, 259,093.71 and 142,656.78 is: 196,712.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,895.82 : 259,093.71 = 142,656.78 : x
  2. Step 2: Convert to fraction form
    187,895.82/259,093.71 = 142,656.78/x
  3. Step 3: Cross multiply
    187,895.82x = 259,093.71 × 142,656.78
  4. Step 4: Simplify right side
    187,895.82x = 36,961,474,386.85
  5. Step 5: Solve for x
    x = 36,961,474,386.85/187,895.82
  6. Step 6: Final answer
    x = 196,712.60

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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.