Home / 246,479.31-340,144.76-139,049.01

Finding the Fourth Proportional to 246,479.31, 340,144.76 and 139,049.01

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Solution

The fourth proportional to 246,479.31, 340,144.76 and 139,049.01 is: 191,889.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,479.31 : 340,144.76 = 139,049.01 : x
  2. Step 2: Convert to fraction form
    246,479.31/340,144.76 = 139,049.01/x
  3. Step 3: Cross multiply
    246,479.31x = 340,144.76 × 139,049.01
  4. Step 4: Simplify right side
    246,479.31x = 47,296,792,134.69
  5. Step 5: Solve for x
    x = 47,296,792,134.69/246,479.31
  6. Step 6: Final answer
    x = 191,889.50

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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.