Home / 197,808-272,975.04-108,382.08

Finding the Fourth Proportional to 197,808, 272,975.04 and 108,382.08

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Solution

The fourth proportional to 197,808, 272,975.04 and 108,382.08 is: 149,567.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,808 : 272,975.04 = 108,382.08 : x
  2. Step 2: Convert to fraction form
    197,808/272,975.04 = 108,382.08/x
  3. Step 3: Cross multiply
    197,808x = 272,975.04 × 108,382.08
  4. Step 4: Simplify right side
    197,808x = 29,585,602,623.28
  5. Step 5: Solve for x
    x = 29,585,602,623.28/197,808
  6. Step 6: Final answer
    x = 149,567.27

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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.