Home / 246,626.22-340,345.35-139,200.78

Finding the Fourth Proportional to 246,626.22, 340,345.35 and 139,200.78

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Solution

The fourth proportional to 246,626.22, 340,345.35 and 139,200.78 is: 192,097.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,626.22 : 340,345.35 = 139,200.78 : x
  2. Step 2: Convert to fraction form
    246,626.22/340,345.35 = 139,200.78/x
  3. Step 3: Cross multiply
    246,626.22x = 340,345.35 × 139,200.78
  4. Step 4: Simplify right side
    246,626.22x = 47,376,338,189.37
  5. Step 5: Solve for x
    x = 47,376,338,189.37/246,626.22
  6. Step 6: Final answer
    x = 192,097.73

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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.