Home / 188,732.38-283,011.09-70,371.94

Finding the Fourth Proportional to 188,732.38, 283,011.09 and 70,371.94

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Solution

The fourth proportional to 188,732.38, 283,011.09 and 70,371.94 is: 105,525.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,732.38 : 283,011.09 = 70,371.94 : x
  2. Step 2: Convert to fraction form
    188,732.38/283,011.09 = 70,371.94/x
  3. Step 3: Cross multiply
    188,732.38x = 283,011.09 × 70,371.94
  4. Step 4: Simplify right side
    188,732.38x = 19,916,039,201.96
  5. Step 5: Solve for x
    x = 19,916,039,201.96/188,732.38
  6. Step 6: Final answer
    x = 105,525.29

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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.