Home / 78,194.60-117,478.84-50,169.70

Finding the Fourth Proportional to 78,194.60, 117,478.84 and 50,169.70

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Solution

The fourth proportional to 78,194.60, 117,478.84 and 50,169.70 is: 75,374.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,194.60 : 117,478.84 = 50,169.70 : x
  2. Step 2: Convert to fraction form
    78,194.60/117,478.84 = 50,169.70/x
  3. Step 3: Cross multiply
    78,194.60x = 117,478.84 × 50,169.70
  4. Step 4: Simplify right side
    78,194.60x = 5,893,877,571.75
  5. Step 5: Solve for x
    x = 5,893,877,571.75/78,194.60
  6. Step 6: Final answer
    x = 75,374.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.