Home / 141,968.98-195,913.76-78,305.41

Finding the Fourth Proportional to 141,968.98, 195,913.76 and 78,305.41

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Solution

The fourth proportional to 141,968.98, 195,913.76 and 78,305.41 is: 108,059.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,968.98 : 195,913.76 = 78,305.41 : x
  2. Step 2: Convert to fraction form
    141,968.98/195,913.76 = 78,305.41/x
  3. Step 3: Cross multiply
    141,968.98x = 195,913.76 × 78,305.41
  4. Step 4: Simplify right side
    141,968.98x = 15,341,107,301.44
  5. Step 5: Solve for x
    x = 15,341,107,301.44/141,968.98
  6. Step 6: Final answer
    x = 108,059.57

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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.