Home / 246,633.48-340,338.12-139,188.90

Finding the Fourth Proportional to 246,633.48, 340,338.12 and 139,188.90

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Solution

The fourth proportional to 246,633.48, 340,338.12 and 139,188.90 is: 192,071.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,633.48 : 340,338.12 = 139,188.90 : x
  2. Step 2: Convert to fraction form
    246,633.48/340,338.12 = 139,188.90/x
  3. Step 3: Cross multiply
    246,633.48x = 340,338.12 × 139,188.90
  4. Step 4: Simplify right side
    246,633.48x = 47,371,288,550.87
  5. Step 5: Solve for x
    x = 47,371,288,550.87/246,633.48
  6. Step 6: Final answer
    x = 192,071.61

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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.