Home / 141,829.49-195,724.29-78,167.27

Finding the Fourth Proportional to 141,829.49, 195,724.29 and 78,167.27

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Solution

The fourth proportional to 141,829.49, 195,724.29 and 78,167.27 is: 107,870.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,829.49 : 195,724.29 = 78,167.27 : x
  2. Step 2: Convert to fraction form
    141,829.49/195,724.29 = 78,167.27/x
  3. Step 3: Cross multiply
    141,829.49x = 195,724.29 × 78,167.27
  4. Step 4: Simplify right side
    141,829.49x = 15,299,232,736.49
  5. Step 5: Solve for x
    x = 15,299,232,736.49/141,829.49
  6. Step 6: Final answer
    x = 107,870.61

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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.