Home / 140,975.28-194,544.99-80,564.40

Finding the Fourth Proportional to 140,975.28, 194,544.99 and 80,564.40

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Solution

The fourth proportional to 140,975.28, 194,544.99 and 80,564.40 is: 111,178.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,975.28 : 194,544.99 = 80,564.40 : x
  2. Step 2: Convert to fraction form
    140,975.28/194,544.99 = 80,564.40/x
  3. Step 3: Cross multiply
    140,975.28x = 194,544.99 × 80,564.40
  4. Step 4: Simplify right side
    140,975.28x = 15,673,400,392.36
  5. Step 5: Solve for x
    x = 15,673,400,392.36/140,975.28
  6. Step 6: Final answer
    x = 111,178.36

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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.