Home / 247,983.75-342,217.71-134,806.50

Finding the Fourth Proportional to 247,983.75, 342,217.71 and 134,806.50

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Solution

The fourth proportional to 247,983.75, 342,217.71 and 134,806.50 is: 186,033.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,983.75 : 342,217.71 = 134,806.50 : x
  2. Step 2: Convert to fraction form
    247,983.75/342,217.71 = 134,806.50/x
  3. Step 3: Cross multiply
    247,983.75x = 342,217.71 × 134,806.50
  4. Step 4: Simplify right side
    247,983.75x = 46,133,171,723.12
  5. Step 5: Solve for x
    x = 46,133,171,723.12/247,983.75
  6. Step 6: Final answer
    x = 186,033.04

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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.