Home / 108,382.50-149,660.19-68,163.57

Finding the Fourth Proportional to 108,382.50, 149,660.19 and 68,163.57

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Solution

The fourth proportional to 108,382.50, 149,660.19 and 68,163.57 is: 94,123.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,382.50 : 149,660.19 = 68,163.57 : x
  2. Step 2: Convert to fraction form
    108,382.50/149,660.19 = 68,163.57/x
  3. Step 3: Cross multiply
    108,382.50x = 149,660.19 × 68,163.57
  4. Step 4: Simplify right side
    108,382.50x = 10,201,372,837.28
  5. Step 5: Solve for x
    x = 10,201,372,837.28/108,382.50
  6. Step 6: Final answer
    x = 94,123.80

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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.