Home / 141,974.56-195,925.44-78,311.44

Finding the Fourth Proportional to 141,974.56, 195,925.44 and 78,311.44

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Solution

The fourth proportional to 141,974.56, 195,925.44 and 78,311.44 is: 108,070.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,974.56 : 195,925.44 = 78,311.44 : x
  2. Step 2: Convert to fraction form
    141,974.56/195,925.44 = 78,311.44/x
  3. Step 3: Cross multiply
    141,974.56x = 195,925.44 × 78,311.44
  4. Step 4: Simplify right side
    141,974.56x = 15,343,203,339.03
  5. Step 5: Solve for x
    x = 15,343,203,339.03/141,974.56
  6. Step 6: Final answer
    x = 108,070.09

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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.