Home / 141,724.20-195,579.38-78,062.00

Finding the Fourth Proportional to 141,724.20, 195,579.38 and 78,062.00

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Solution

The fourth proportional to 141,724.20, 195,579.38 and 78,062.00 is: 107,725.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,724.20 : 195,579.38 = 78,062.00 : x
  2. Step 2: Convert to fraction form
    141,724.20/195,579.38 = 78,062.00/x
  3. Step 3: Cross multiply
    141,724.20x = 195,579.38 × 78,062.00
  4. Step 4: Simplify right side
    141,724.20x = 15,267,316,193.35
  5. Step 5: Solve for x
    x = 15,267,316,193.35/141,724.20
  6. Step 6: Final answer
    x = 107,725.54

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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.