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Finding the Fourth Proportional to 108,222.23, 149,249.97 and 67,939.74

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Solution

The fourth proportional to 108,222.23, 149,249.97 and 67,939.74 is: 93,696.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,222.23 : 149,249.97 = 67,939.74 : x
  2. Step 2: Convert to fraction form
    108,222.23/149,249.97 = 67,939.74/x
  3. Step 3: Cross multiply
    108,222.23x = 149,249.97 × 67,939.74
  4. Step 4: Simplify right side
    108,222.23x = 10,140,004,156.81
  5. Step 5: Solve for x
    x = 10,140,004,156.81/108,222.23
  6. Step 6: Final answer
    x = 93,696.13

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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.