Home / 141,846.54-195,747.60-78,184.32

Finding the Fourth Proportional to 141,846.54, 195,747.60 and 78,184.32

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Solution

The fourth proportional to 141,846.54, 195,747.60 and 78,184.32 is: 107,894.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,846.54 : 195,747.60 = 78,184.32 : x
  2. Step 2: Convert to fraction form
    141,846.54/195,747.60 = 78,184.32/x
  3. Step 3: Cross multiply
    141,846.54x = 195,747.60 × 78,184.32
  4. Step 4: Simplify right side
    141,846.54x = 15,304,392,997.63
  5. Step 5: Solve for x
    x = 15,304,392,997.63/141,846.54
  6. Step 6: Final answer
    x = 107,894.02

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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.