Home / 141,847.37-195,747.04-78,191.09

Finding the Fourth Proportional to 141,847.37, 195,747.04 and 78,191.09

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Solution

The fourth proportional to 141,847.37, 195,747.04 and 78,191.09 is: 107,902.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,847.37 : 195,747.04 = 78,191.09 : x
  2. Step 2: Convert to fraction form
    141,847.37/195,747.04 = 78,191.09/x
  3. Step 3: Cross multiply
    141,847.37x = 195,747.04 × 78,191.09
  4. Step 4: Simplify right side
    141,847.37x = 15,305,674,715.76
  5. Step 5: Solve for x
    x = 15,305,674,715.76/141,847.37
  6. Step 6: Final answer
    x = 107,902.42

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1.5x scale

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.