Home / 246,987.09-340,898.09-139,619.43

Finding the Fourth Proportional to 246,987.09, 340,898.09 and 139,619.43

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Solution

The fourth proportional to 246,987.09, 340,898.09 and 139,619.43 is: 192,706.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,987.09 : 340,898.09 = 139,619.43 : x
  2. Step 2: Convert to fraction form
    246,987.09/340,898.09 = 139,619.43/x
  3. Step 3: Cross multiply
    246,987.09x = 340,898.09 × 139,619.43
  4. Step 4: Simplify right side
    246,987.09x = 47,595,996,315.79
  5. Step 5: Solve for x
    x = 47,595,996,315.79/246,987.09
  6. Step 6: Final answer
    x = 192,706.41

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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.