Home / 246,974.49-340,821.59-139,542.57

Finding the Fourth Proportional to 246,974.49, 340,821.59 and 139,542.57

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Solution

The fourth proportional to 246,974.49, 340,821.59 and 139,542.57 is: 192,566.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,974.49 : 340,821.59 = 139,542.57 : x
  2. Step 2: Convert to fraction form
    246,974.49/340,821.59 = 139,542.57/x
  3. Step 3: Cross multiply
    246,974.49x = 340,821.59 × 139,542.57
  4. Step 4: Simplify right side
    246,974.49x = 47,559,119,882.37
  5. Step 5: Solve for x
    x = 47,559,119,882.37/246,974.49
  6. Step 6: Final answer
    x = 192,566.93

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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.