Home / 187,709.13-259,042.39-102,826.19

Finding the Fourth Proportional to 187,709.13, 259,042.39 and 102,826.19

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Solution

The fourth proportional to 187,709.13, 259,042.39 and 102,826.19 is: 141,902.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,709.13 : 259,042.39 = 102,826.19 : x
  2. Step 2: Convert to fraction form
    187,709.13/259,042.39 = 102,826.19/x
  3. Step 3: Cross multiply
    187,709.13x = 259,042.39 × 102,826.19
  4. Step 4: Simplify right side
    187,709.13x = 26,636,342,402.73
  5. Step 5: Solve for x
    x = 26,636,342,402.73/187,709.13
  6. Step 6: Final answer
    x = 141,902.22

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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.