Home / 68,032.15-102,046.34-18,112.67

Finding the Fourth Proportional to 68,032.15, 102,046.34 and 18,112.67

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Solution

The fourth proportional to 68,032.15, 102,046.34 and 18,112.67 is: 27,168.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,032.15 : 102,046.34 = 18,112.67 : x
  2. Step 2: Convert to fraction form
    68,032.15/102,046.34 = 18,112.67/x
  3. Step 3: Cross multiply
    68,032.15x = 102,046.34 × 18,112.67
  4. Step 4: Simplify right side
    68,032.15x = 1,848,331,845.68
  5. Step 5: Solve for x
    x = 1,848,331,845.68/68,032.15
  6. Step 6: Final answer
    x = 27,168.51

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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.