Home / 102,134.42-140,949.51-61,825.37

Finding the Fourth Proportional to 102,134.42, 140,949.51 and 61,825.37

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Solution

The fourth proportional to 102,134.42, 140,949.51 and 61,825.37 is: 85,321.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,134.42 : 140,949.51 = 61,825.37 : x
  2. Step 2: Convert to fraction form
    102,134.42/140,949.51 = 61,825.37/x
  3. Step 3: Cross multiply
    102,134.42x = 140,949.51 × 61,825.37
  4. Step 4: Simplify right side
    102,134.42x = 8,714,255,297.94
  5. Step 5: Solve for x
    x = 8,714,255,297.94/102,134.42
  6. Step 6: Final answer
    x = 85,321.44

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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.