Home / 103,439.41-155,171.26-36,889

Finding the Fourth Proportional to 103,439.41, 155,171.26 and 36,889

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Solution

The fourth proportional to 103,439.41, 155,171.26 and 36,889 is: 55,337.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,439.41 : 155,171.26 = 36,889 : x
  2. Step 2: Convert to fraction form
    103,439.41/155,171.26 = 36,889/x
  3. Step 3: Cross multiply
    103,439.41x = 155,171.26 × 36,889
  4. Step 4: Simplify right side
    103,439.41x = 5,724,112,610.14
  5. Step 5: Solve for x
    x = 5,724,112,610.14/103,439.41
  6. Step 6: Final answer
    x = 55,337.83

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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.