Home / 187,941.71-259,371.37-103,058.78

Finding the Fourth Proportional to 187,941.71, 259,371.37 and 103,058.78

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Solution

The fourth proportional to 187,941.71, 259,371.37 and 103,058.78 is: 142,227.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,941.71 : 259,371.37 = 103,058.78 : x
  2. Step 2: Convert to fraction form
    187,941.71/259,371.37 = 103,058.78/x
  3. Step 3: Cross multiply
    187,941.71x = 259,371.37 × 103,058.78
  4. Step 4: Simplify right side
    187,941.71x = 26,730,495,662.27
  5. Step 5: Solve for x
    x = 26,730,495,662.27/187,941.71
  6. Step 6: Final answer
    x = 142,227.59

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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.