Home / 247,956.32-342,177.68-134,778.72

Finding the Fourth Proportional to 247,956.32, 342,177.68 and 134,778.72

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Solution

The fourth proportional to 247,956.32, 342,177.68 and 134,778.72 is: 185,993.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,956.32 : 342,177.68 = 134,778.72 : x
  2. Step 2: Convert to fraction form
    247,956.32/342,177.68 = 134,778.72/x
  3. Step 3: Cross multiply
    247,956.32x = 342,177.68 × 134,778.72
  4. Step 4: Simplify right side
    247,956.32x = 46,118,269,722.97
  5. Step 5: Solve for x
    x = 46,118,269,722.97/247,956.32
  6. Step 6: Final answer
    x = 185,993.52

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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.