Home / 126,989.30-190,468.33-73,710.27

Finding the Fourth Proportional to 126,989.30, 190,468.33 and 73,710.27

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Solution

The fourth proportional to 126,989.30, 190,468.33 and 73,710.27 is: 110,556.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,989.30 : 190,468.33 = 73,710.27 : x
  2. Step 2: Convert to fraction form
    126,989.30/190,468.33 = 73,710.27/x
  3. Step 3: Cross multiply
    126,989.30x = 190,468.33 × 73,710.27
  4. Step 4: Simplify right side
    126,989.30x = 14,039,471,846.47
  5. Step 5: Solve for x
    x = 14,039,471,846.47/126,989.30
  6. Step 6: Final answer
    x = 110,556.33

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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.