Home / 141,835.35-195,733.72-78,173.15

Finding the Fourth Proportional to 141,835.35, 195,733.72 and 78,173.15

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Solution

The fourth proportional to 141,835.35, 195,733.72 and 78,173.15 is: 107,879.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,835.35 : 195,733.72 = 78,173.15 : x
  2. Step 2: Convert to fraction form
    141,835.35/195,733.72 = 78,173.15/x
  3. Step 3: Cross multiply
    141,835.35x = 195,733.72 × 78,173.15
  4. Step 4: Simplify right side
    141,835.35x = 15,301,121,233.94
  5. Step 5: Solve for x
    x = 15,301,121,233.94/141,835.35
  6. Step 6: Final answer
    x = 107,879.46

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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.