Home / 108,942.38-150,356.85-66,525.38

Finding the Fourth Proportional to 108,942.38, 150,356.85 and 66,525.38

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Solution

The fourth proportional to 108,942.38, 150,356.85 and 66,525.38 is: 91,815.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,942.38 : 150,356.85 = 66,525.38 : x
  2. Step 2: Convert to fraction form
    108,942.38/150,356.85 = 66,525.38/x
  3. Step 3: Cross multiply
    108,942.38x = 150,356.85 × 66,525.38
  4. Step 4: Simplify right side
    108,942.38x = 10,002,546,581.85
  5. Step 5: Solve for x
    x = 10,002,546,581.85/108,942.38
  6. Step 6: Final answer
    x = 91,815.02

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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.