Home / 251,128.29-376,723.41-82,605.36

Finding the Fourth Proportional to 251,128.29, 376,723.41 and 82,605.36

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Solution

The fourth proportional to 251,128.29, 376,723.41 and 82,605.36 is: 123,918.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,128.29 : 376,723.41 = 82,605.36 : x
  2. Step 2: Convert to fraction form
    251,128.29/376,723.41 = 82,605.36/x
  3. Step 3: Cross multiply
    251,128.29x = 376,723.41 × 82,605.36
  4. Step 4: Simplify right side
    251,128.29x = 31,119,372,903.48
  5. Step 5: Solve for x
    x = 31,119,372,903.48/251,128.29
  6. Step 6: Final answer
    x = 123,918.23

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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.