Home / 140,972.75-194,524.47-80,547.31

Finding the Fourth Proportional to 140,972.75, 194,524.47 and 80,547.31

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Solution

The fourth proportional to 140,972.75, 194,524.47 and 80,547.31 is: 111,145.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,972.75 : 194,524.47 = 80,547.31 : x
  2. Step 2: Convert to fraction form
    140,972.75/194,524.47 = 80,547.31/x
  3. Step 3: Cross multiply
    140,972.75x = 194,524.47 × 80,547.31
  4. Step 4: Simplify right side
    140,972.75x = 15,668,422,787.68
  5. Step 5: Solve for x
    x = 15,668,422,787.68/140,972.75
  6. Step 6: Final answer
    x = 111,145.05

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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.