Home / 247,944.32-342,161.12-134,766.72

Finding the Fourth Proportional to 247,944.32, 342,161.12 and 134,766.72

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Solution

The fourth proportional to 247,944.32, 342,161.12 and 134,766.72 is: 185,976.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,944.32 : 342,161.12 = 134,766.72 : x
  2. Step 2: Convert to fraction form
    247,944.32/342,161.12 = 134,766.72/x
  3. Step 3: Cross multiply
    247,944.32x = 342,161.12 × 134,766.72
  4. Step 4: Simplify right side
    247,944.32x = 46,111,931,853.93
  5. Step 5: Solve for x
    x = 46,111,931,853.93/247,944.32
  6. Step 6: Final answer
    x = 185,976.96

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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.