Home / 187,942.71-259,372.75-103,059.77

Finding the Fourth Proportional to 187,942.71, 259,372.75 and 103,059.77

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Solution

The fourth proportional to 187,942.71, 259,372.75 and 103,059.77 is: 142,228.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,942.71 : 259,372.75 = 103,059.77 : x
  2. Step 2: Convert to fraction form
    187,942.71/259,372.75 = 103,059.77/x
  3. Step 3: Cross multiply
    187,942.71x = 259,372.75 × 103,059.77
  4. Step 4: Simplify right side
    187,942.71x = 26,730,895,959.27
  5. Step 5: Solve for x
    x = 26,730,895,959.27/187,942.71
  6. Step 6: Final answer
    x = 142,228.96

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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.