Home / 141,487.26-195,257.61-77,829.90

Finding the Fourth Proportional to 141,487.26, 195,257.61 and 77,829.90

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Solution

The fourth proportional to 141,487.26, 195,257.61 and 77,829.90 is: 107,408.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,487.26 : 195,257.61 = 77,829.90 : x
  2. Step 2: Convert to fraction form
    141,487.26/195,257.61 = 77,829.90/x
  3. Step 3: Cross multiply
    141,487.26x = 195,257.61 × 77,829.90
  4. Step 4: Simplify right side
    141,487.26x = 15,196,880,260.54
  5. Step 5: Solve for x
    x = 15,196,880,260.54/141,487.26
  6. Step 6: Final answer
    x = 107,408.12

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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.