Home / 119,789.52-165,310.28-66,075.96

Finding the Fourth Proportional to 119,789.52, 165,310.28 and 66,075.96

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Solution

The fourth proportional to 119,789.52, 165,310.28 and 66,075.96 is: 91,185.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,789.52 : 165,310.28 = 66,075.96 : x
  2. Step 2: Convert to fraction form
    119,789.52/165,310.28 = 66,075.96/x
  3. Step 3: Cross multiply
    119,789.52x = 165,310.28 × 66,075.96
  4. Step 4: Simplify right side
    119,789.52x = 10,923,035,448.87
  5. Step 5: Solve for x
    x = 10,923,035,448.87/119,789.52
  6. Step 6: Final answer
    x = 91,185.23

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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.