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Finding the Fourth Proportional to 68,114.58, 102,149.82 and 24,831.30

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Solution

The fourth proportional to 68,114.58, 102,149.82 and 24,831.30 is: 37,238.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,114.58 : 102,149.82 = 24,831.30 : x
  2. Step 2: Convert to fraction form
    68,114.58/102,149.82 = 24,831.30/x
  3. Step 3: Cross multiply
    68,114.58x = 102,149.82 × 24,831.30
  4. Step 4: Simplify right side
    68,114.58x = 2,536,512,825.37
  5. Step 5: Solve for x
    x = 2,536,512,825.37/68,114.58
  6. Step 6: Final answer
    x = 37,238.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.