Home / 141,874.24-195,782.52-78,212.04

Finding the Fourth Proportional to 141,874.24, 195,782.52 and 78,212.04

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Solution

The fourth proportional to 141,874.24, 195,782.52 and 78,212.04 is: 107,930.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,874.24 : 195,782.52 = 78,212.04 : x
  2. Step 2: Convert to fraction form
    141,874.24/195,782.52 = 78,212.04/x
  3. Step 3: Cross multiply
    141,874.24x = 195,782.52 × 78,212.04
  4. Step 4: Simplify right side
    141,874.24x = 15,312,550,285.54
  5. Step 5: Solve for x
    x = 15,312,550,285.54/141,874.24
  6. Step 6: Final answer
    x = 107,930.45

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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.