Home / 246,137.40-369,206.10-139,849.20

Finding the Fourth Proportional to 246,137.40, 369,206.10 and 139,849.20

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Solution

The fourth proportional to 246,137.40, 369,206.10 and 139,849.20 is: 209,773.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,137.40 : 369,206.10 = 139,849.20 : x
  2. Step 2: Convert to fraction form
    246,137.40/369,206.10 = 139,849.20/x
  3. Step 3: Cross multiply
    246,137.40x = 369,206.10 × 139,849.20
  4. Step 4: Simplify right side
    246,137.40x = 51,633,177,720.12
  5. Step 5: Solve for x
    x = 51,633,177,720.12/246,137.40
  6. Step 6: Final answer
    x = 209,773.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.