Home / 74,086.82-102,235.89-40,546.34

Finding the Fourth Proportional to 74,086.82, 102,235.89 and 40,546.34

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Solution

The fourth proportional to 74,086.82, 102,235.89 and 40,546.34 is: 55,951.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,086.82 : 102,235.89 = 40,546.34 : x
  2. Step 2: Convert to fraction form
    74,086.82/102,235.89 = 40,546.34/x
  3. Step 3: Cross multiply
    74,086.82x = 102,235.89 × 40,546.34
  4. Step 4: Simplify right side
    74,086.82x = 4,145,291,156.14
  5. Step 5: Solve for x
    x = 4,145,291,156.14/74,086.82
  6. Step 6: Final answer
    x = 55,951.80

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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.