Home / 141,013.63-194,571.88-80,603.43

Finding the Fourth Proportional to 141,013.63, 194,571.88 and 80,603.43

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Solution

The fourth proportional to 141,013.63, 194,571.88 and 80,603.43 is: 111,217.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,013.63 : 194,571.88 = 80,603.43 : x
  2. Step 2: Convert to fraction form
    141,013.63/194,571.88 = 80,603.43/x
  3. Step 3: Cross multiply
    141,013.63x = 194,571.88 × 80,603.43
  4. Step 4: Simplify right side
    141,013.63x = 15,683,160,909.55
  5. Step 5: Solve for x
    x = 15,683,160,909.55/141,013.63
  6. Step 6: Final answer
    x = 111,217.34

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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.