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Finding the Fourth Proportional to 119,669.00, 165,142.67 and 65,221.07

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Solution

The fourth proportional to 119,669.00, 165,142.67 and 65,221.07 is: 90,004.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,669.00 : 165,142.67 = 65,221.07 : x
  2. Step 2: Convert to fraction form
    119,669.00/165,142.67 = 65,221.07/x
  3. Step 3: Cross multiply
    119,669.00x = 165,142.67 × 65,221.07
  4. Step 4: Simplify right side
    119,669.00x = 10,770,780,488.24
  5. Step 5: Solve for x
    x = 10,770,780,488.24/119,669.00
  6. Step 6: Final answer
    x = 90,004.77

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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.