Home / 97,914.24-135,121.32-55,480.86

Finding the Fourth Proportional to 97,914.24, 135,121.32 and 55,480.86

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Solution

The fourth proportional to 97,914.24, 135,121.32 and 55,480.86 is: 76,563.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,914.24 : 135,121.32 = 55,480.86 : x
  2. Step 2: Convert to fraction form
    97,914.24/135,121.32 = 55,480.86/x
  3. Step 3: Cross multiply
    97,914.24x = 135,121.32 × 55,480.86
  4. Step 4: Simplify right side
    97,914.24x = 7,496,647,037.94
  5. Step 5: Solve for x
    x = 7,496,647,037.94/97,914.24
  6. Step 6: Final answer
    x = 76,563.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.