Home / 68,142.39-102,100.17-23,744.67

Finding the Fourth Proportional to 68,142.39, 102,100.17 and 23,744.67

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Solution

The fourth proportional to 68,142.39, 102,100.17 and 23,744.67 is: 35,577.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,142.39 : 102,100.17 = 23,744.67 : x
  2. Step 2: Convert to fraction form
    68,142.39/102,100.17 = 23,744.67/x
  3. Step 3: Cross multiply
    68,142.39x = 102,100.17 × 23,744.67
  4. Step 4: Simplify right side
    68,142.39x = 2,424,334,843.59
  5. Step 5: Solve for x
    x = 2,424,334,843.59/68,142.39
  6. Step 6: Final answer
    x = 35,577.48

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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.