Home / 491,165.15-736,747.75-136,179.17

Finding the Fourth Proportional to 491,165.15, 736,747.75 and 136,179.17

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Solution

The fourth proportional to 491,165.15, 736,747.75 and 136,179.17 is: 204,268.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,165.15 : 736,747.75 = 136,179.17 : x
  2. Step 2: Convert to fraction form
    491,165.15/736,747.75 = 136,179.17/x
  3. Step 3: Cross multiply
    491,165.15x = 736,747.75 × 136,179.17
  4. Step 4: Simplify right side
    491,165.15x = 100,329,696,413.47
  5. Step 5: Solve for x
    x = 100,329,696,413.47/491,165.15
  6. Step 6: Final answer
    x = 204,268.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.