Home / 143,382.96-197,732.88-109,331.64

Finding the Fourth Proportional to 143,382.96, 197,732.88 and 109,331.64

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Solution

The fourth proportional to 143,382.96, 197,732.88 and 109,331.64 is: 150,774.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,382.96 : 197,732.88 = 109,331.64 : x
  2. Step 2: Convert to fraction form
    143,382.96/197,732.88 = 109,331.64/x
  3. Step 3: Cross multiply
    143,382.96x = 197,732.88 × 109,331.64
  4. Step 4: Simplify right side
    143,382.96x = 21,618,460,052.32
  5. Step 5: Solve for x
    x = 21,618,460,052.32/143,382.96
  6. Step 6: Final answer
    x = 150,774.26

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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.