Home / 138,276.92-207,369.26-54,015.24

Finding the Fourth Proportional to 138,276.92, 207,369.26 and 54,015.24

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Solution

The fourth proportional to 138,276.92, 207,369.26 and 54,015.24 is: 81,004.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,276.92 : 207,369.26 = 54,015.24 : x
  2. Step 2: Convert to fraction form
    138,276.92/207,369.26 = 54,015.24/x
  3. Step 3: Cross multiply
    138,276.92x = 207,369.26 × 54,015.24
  4. Step 4: Simplify right side
    138,276.92x = 11,201,100,347.52
  5. Step 5: Solve for x
    x = 11,201,100,347.52/138,276.92
  6. Step 6: Final answer
    x = 81,004.84

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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.