Home / 138,220.14-207,739.23-114,680.43

Finding the Fourth Proportional to 138,220.14, 207,739.23 and 114,680.43

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Solution

The fourth proportional to 138,220.14, 207,739.23 and 114,680.43 is: 172,360.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,220.14 : 207,739.23 = 114,680.43 : x
  2. Step 2: Convert to fraction form
    138,220.14/207,739.23 = 114,680.43/x
  3. Step 3: Cross multiply
    138,220.14x = 207,739.23 × 114,680.43
  4. Step 4: Simplify right side
    138,220.14x = 23,823,624,224.27
  5. Step 5: Solve for x
    x = 23,823,624,224.27/138,220.14
  6. Step 6: Final answer
    x = 172,360.01

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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.