Home / 143,428.38-197,723.67-94,949.07

Finding the Fourth Proportional to 143,428.38, 197,723.67 and 94,949.07

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Solution

The fourth proportional to 143,428.38, 197,723.67 and 94,949.07 is: 130,892.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,428.38 : 197,723.67 = 94,949.07 : x
  2. Step 2: Convert to fraction form
    143,428.38/197,723.67 = 94,949.07/x
  3. Step 3: Cross multiply
    143,428.38x = 197,723.67 × 94,949.07
  4. Step 4: Simplify right side
    143,428.38x = 18,773,678,583.49
  5. Step 5: Solve for x
    x = 18,773,678,583.49/143,428.38
  6. Step 6: Final answer
    x = 130,892.36

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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.