Home / 68,188.52-102,235.24-30,217.16

Finding the Fourth Proportional to 68,188.52, 102,235.24 and 30,217.16

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Solution

The fourth proportional to 68,188.52, 102,235.24 and 30,217.16 is: 45,304.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,188.52 : 102,235.24 = 30,217.16 : x
  2. Step 2: Convert to fraction form
    68,188.52/102,235.24 = 30,217.16/x
  3. Step 3: Cross multiply
    68,188.52x = 102,235.24 × 30,217.16
  4. Step 4: Simplify right side
    68,188.52x = 3,089,258,604.72
  5. Step 5: Solve for x
    x = 3,089,258,604.72/68,188.52
  6. Step 6: Final answer
    x = 45,304.67

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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.