Home / 108,513.09-149,757.49-60,765.57

Finding the Fourth Proportional to 108,513.09, 149,757.49 and 60,765.57

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Solution

The fourth proportional to 108,513.09, 149,757.49 and 60,765.57 is: 83,861.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,513.09 : 149,757.49 = 60,765.57 : x
  2. Step 2: Convert to fraction form
    108,513.09/149,757.49 = 60,765.57/x
  3. Step 3: Cross multiply
    108,513.09x = 149,757.49 × 60,765.57
  4. Step 4: Simplify right side
    108,513.09x = 9,100,099,241.62
  5. Step 5: Solve for x
    x = 9,100,099,241.62/108,513.09
  6. Step 6: Final answer
    x = 83,861.76

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1.5x scale

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.