Home / 140,954.77-194,619.67-90,741.25

Finding the Fourth Proportional to 140,954.77, 194,619.67 and 90,741.25

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Solution

The fourth proportional to 140,954.77, 194,619.67 and 90,741.25 is: 125,288.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,954.77 : 194,619.67 = 90,741.25 : x
  2. Step 2: Convert to fraction form
    140,954.77/194,619.67 = 90,741.25/x
  3. Step 3: Cross multiply
    140,954.77x = 194,619.67 × 90,741.25
  4. Step 4: Simplify right side
    140,954.77x = 17,660,031,676.68
  5. Step 5: Solve for x
    x = 17,660,031,676.68/140,954.77
  6. Step 6: Final answer
    x = 125,288.64

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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.