Home / 138,016.20-190,606.94-95,107.26

Finding the Fourth Proportional to 138,016.20, 190,606.94 and 95,107.26

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Solution

The fourth proportional to 138,016.20, 190,606.94 and 95,107.26 is: 131,347.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,016.20 : 190,606.94 = 95,107.26 : x
  2. Step 2: Convert to fraction form
    138,016.20/190,606.94 = 95,107.26/x
  3. Step 3: Cross multiply
    138,016.20x = 190,606.94 × 95,107.26
  4. Step 4: Simplify right side
    138,016.20x = 18,128,104,396.28
  5. Step 5: Solve for x
    x = 18,128,104,396.28/138,016.20
  6. Step 6: Final answer
    x = 131,347.65

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1.5x scale

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.