Home / 74,190.87-102,383.24-40,200.29

Finding the Fourth Proportional to 74,190.87, 102,383.24 and 40,200.29

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Solution

The fourth proportional to 74,190.87, 102,383.24 and 40,200.29 is: 55,476.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,190.87 : 102,383.24 = 40,200.29 : x
  2. Step 2: Convert to fraction form
    74,190.87/102,383.24 = 40,200.29/x
  3. Step 3: Cross multiply
    74,190.87x = 102,383.24 × 40,200.29
  4. Step 4: Simplify right side
    74,190.87x = 4,115,835,226.22
  5. Step 5: Solve for x
    x = 4,115,835,226.22/74,190.87
  6. Step 6: Final answer
    x = 55,476.30

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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.