Home / 246,685.10-340,441.38-139,215.92

Finding the Fourth Proportional to 246,685.10, 340,441.38 and 139,215.92

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Solution

The fourth proportional to 246,685.10, 340,441.38 and 139,215.92 is: 192,126.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,685.10 : 340,441.38 = 139,215.92 : x
  2. Step 2: Convert to fraction form
    246,685.10/340,441.38 = 139,215.92/x
  3. Step 3: Cross multiply
    246,685.10x = 340,441.38 × 139,215.92
  4. Step 4: Simplify right side
    246,685.10x = 47,394,858,220.56
  5. Step 5: Solve for x
    x = 47,394,858,220.56/246,685.10
  6. Step 6: Final answer
    x = 192,126.96

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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.