Home / 141,211.25-194,823.73-80,739.18

Finding the Fourth Proportional to 141,211.25, 194,823.73 and 80,739.18

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Solution

The fourth proportional to 141,211.25, 194,823.73 and 80,739.18 is: 111,392.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,211.25 : 194,823.73 = 80,739.18 : x
  2. Step 2: Convert to fraction form
    141,211.25/194,823.73 = 80,739.18/x
  3. Step 3: Cross multiply
    141,211.25x = 194,823.73 × 80,739.18
  4. Step 4: Simplify right side
    141,211.25x = 15,729,908,305.67
  5. Step 5: Solve for x
    x = 15,729,908,305.67/141,211.25
  6. Step 6: Final answer
    x = 111,392.74

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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.