Home / 74,191.26-102,383.79-40,200.60

Finding the Fourth Proportional to 74,191.26, 102,383.79 and 40,200.60

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Solution

The fourth proportional to 74,191.26, 102,383.79 and 40,200.60 is: 55,476.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,191.26 : 102,383.79 = 40,200.60 : x
  2. Step 2: Convert to fraction form
    74,191.26/102,383.79 = 40,200.60/x
  3. Step 3: Cross multiply
    74,191.26x = 102,383.79 × 40,200.60
  4. Step 4: Simplify right side
    74,191.26x = 4,115,889,788.27
  5. Step 5: Solve for x
    x = 4,115,889,788.27/74,191.26
  6. Step 6: Final answer
    x = 55,476.75

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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.