Home / 247,945-342,162.82-134,768.36

Finding the Fourth Proportional to 247,945, 342,162.82 and 134,768.36

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Solution

The fourth proportional to 247,945, 342,162.82 and 134,768.36 is: 185,979.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,945 : 342,162.82 = 134,768.36 : x
  2. Step 2: Convert to fraction form
    247,945/342,162.82 = 134,768.36/x
  3. Step 3: Cross multiply
    247,945x = 342,162.82 × 134,768.36
  4. Step 4: Simplify right side
    247,945x = 46,112,722,104.38
  5. Step 5: Solve for x
    x = 46,112,722,104.38/247,945
  6. Step 6: Final answer
    x = 185,979.64

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1.5x scale

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.