Home / 138,827.10-191,567.79-82,227.54

Finding the Fourth Proportional to 138,827.10, 191,567.79 and 82,227.54

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Solution

The fourth proportional to 138,827.10, 191,567.79 and 82,227.54 is: 113,465.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,827.10 : 191,567.79 = 82,227.54 : x
  2. Step 2: Convert to fraction form
    138,827.10/191,567.79 = 82,227.54/x
  3. Step 3: Cross multiply
    138,827.10x = 191,567.79 × 82,227.54
  4. Step 4: Simplify right side
    138,827.10x = 15,752,148,114.94
  5. Step 5: Solve for x
    x = 15,752,148,114.94/138,827.10
  6. Step 6: Final answer
    x = 113,465.95

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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.