Home / 108,504.12-162,561.78-38,338.68

Finding the Fourth Proportional to 108,504.12, 162,561.78 and 38,338.68

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Solution

The fourth proportional to 108,504.12, 162,561.78 and 38,338.68 is: 57,439.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,504.12 : 162,561.78 = 38,338.68 : x
  2. Step 2: Convert to fraction form
    108,504.12/162,561.78 = 38,338.68/x
  3. Step 3: Cross multiply
    108,504.12x = 162,561.78 × 38,338.68
  4. Step 4: Simplify right side
    108,504.12x = 6,232,404,063.65
  5. Step 5: Solve for x
    x = 6,232,404,063.65/108,504.12
  6. Step 6: Final answer
    x = 57,439.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.