Home / 247,942.84-342,159.24-134,766.40

Finding the Fourth Proportional to 247,942.84, 342,159.24 and 134,766.40

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Solution

The fourth proportional to 247,942.84, 342,159.24 and 134,766.40 is: 185,976.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,942.84 : 342,159.24 = 134,766.40 : x
  2. Step 2: Convert to fraction form
    247,942.84/342,159.24 = 134,766.40/x
  3. Step 3: Cross multiply
    247,942.84x = 342,159.24 × 134,766.40
  4. Step 4: Simplify right side
    247,942.84x = 46,111,569,001.54
  5. Step 5: Solve for x
    x = 46,111,569,001.54/247,942.84
  6. Step 6: Final answer
    x = 185,976.61

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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.