Home / 247,936.42-342,149.70-134,758.36

Finding the Fourth Proportional to 247,936.42, 342,149.70 and 134,758.36

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Solution

The fourth proportional to 247,936.42, 342,149.70 and 134,758.36 is: 185,965.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,936.42 : 342,149.70 = 134,758.36 : x
  2. Step 2: Convert to fraction form
    247,936.42/342,149.70 = 134,758.36/x
  3. Step 3: Cross multiply
    247,936.42x = 342,149.70 × 134,758.36
  4. Step 4: Simplify right side
    247,936.42x = 46,107,532,446.49
  5. Step 5: Solve for x
    x = 46,107,532,446.49/247,936.42
  6. Step 6: Final answer
    x = 185,965.15

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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.