Home / 108,834.37-150,183.18-61,078.49

Finding the Fourth Proportional to 108,834.37, 150,183.18 and 61,078.49

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Solution

The fourth proportional to 108,834.37, 150,183.18 and 61,078.49 is: 84,283.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,834.37 : 150,183.18 = 61,078.49 : x
  2. Step 2: Convert to fraction form
    108,834.37/150,183.18 = 61,078.49/x
  3. Step 3: Cross multiply
    108,834.37x = 150,183.18 × 61,078.49
  4. Step 4: Simplify right side
    108,834.37x = 9,172,961,106.88
  5. Step 5: Solve for x
    x = 9,172,961,106.88/108,834.37
  6. Step 6: Final answer
    x = 84,283.68

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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.