Home / 68,146.22-102,219.84-23,772.80

Finding the Fourth Proportional to 68,146.22, 102,219.84 and 23,772.80

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Solution

The fourth proportional to 68,146.22, 102,219.84 and 23,772.80 is: 35,659.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,146.22 : 102,219.84 = 23,772.80 : x
  2. Step 2: Convert to fraction form
    68,146.22/102,219.84 = 23,772.80/x
  3. Step 3: Cross multiply
    68,146.22x = 102,219.84 × 23,772.80
  4. Step 4: Simplify right side
    68,146.22x = 2,430,051,812.35
  5. Step 5: Solve for x
    x = 2,430,051,812.35/68,146.22
  6. Step 6: Final answer
    x = 35,659.38

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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.