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Finding the Fourth Proportional to 110,499.75, 165,798.81 and 57,896.94

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Solution

The fourth proportional to 110,499.75, 165,798.81 and 57,896.94 is: 86,871.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,499.75 : 165,798.81 = 57,896.94 : x
  2. Step 2: Convert to fraction form
    110,499.75/165,798.81 = 57,896.94/x
  3. Step 3: Cross multiply
    110,499.75x = 165,798.81 × 57,896.94
  4. Step 4: Simplify right side
    110,499.75x = 9,599,243,754.64
  5. Step 5: Solve for x
    x = 9,599,243,754.64/110,499.75
  6. Step 6: Final answer
    x = 86,871.18

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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.