Home / 104,379.62-143,845.00-102,460.28

Finding the Fourth Proportional to 104,379.62, 143,845.00 and 102,460.28

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Solution

The fourth proportional to 104,379.62, 143,845.00 and 102,460.28 is: 141,199.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,379.62 : 143,845.00 = 102,460.28 : x
  2. Step 2: Convert to fraction form
    104,379.62/143,845.00 = 102,460.28/x
  3. Step 3: Cross multiply
    104,379.62x = 143,845.00 × 102,460.28
  4. Step 4: Simplify right side
    104,379.62x = 14,738,398,001.22
  5. Step 5: Solve for x
    x = 14,738,398,001.22/104,379.62
  6. Step 6: Final answer
    x = 141,199.97

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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.