Home / 74,046.24-102,186-40,512.24

Finding the Fourth Proportional to 74,046.24, 102,186 and 40,512.24

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Solution

The fourth proportional to 74,046.24, 102,186 and 40,512.24 is: 55,908.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,046.24 : 102,186 = 40,512.24 : x
  2. Step 2: Convert to fraction form
    74,046.24/102,186 = 40,512.24/x
  3. Step 3: Cross multiply
    74,046.24x = 102,186 × 40,512.24
  4. Step 4: Simplify right side
    74,046.24x = 4,139,783,756.64
  5. Step 5: Solve for x
    x = 4,139,783,756.64/74,046.24
  6. Step 6: Final answer
    x = 55,908.09

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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.