Home / 90,286.16-135,355.32-34,094.39

Finding the Fourth Proportional to 90,286.16, 135,355.32 and 34,094.39

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Solution

The fourth proportional to 90,286.16, 135,355.32 and 34,094.39 is: 51,113.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,286.16 : 135,355.32 = 34,094.39 : x
  2. Step 2: Convert to fraction form
    90,286.16/135,355.32 = 34,094.39/x
  3. Step 3: Cross multiply
    90,286.16x = 135,355.32 × 34,094.39
  4. Step 4: Simplify right side
    90,286.16x = 4,614,856,391.88
  5. Step 5: Solve for x
    x = 4,614,856,391.88/90,286.16
  6. Step 6: Final answer
    x = 51,113.67

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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.