Home / 119,759.49-165,264.84-66,043.53

Finding the Fourth Proportional to 119,759.49, 165,264.84 and 66,043.53

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Solution

The fourth proportional to 119,759.49, 165,264.84 and 66,043.53 is: 91,138.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,759.49 : 165,264.84 = 66,043.53 : x
  2. Step 2: Convert to fraction form
    119,759.49/165,264.84 = 66,043.53/x
  3. Step 3: Cross multiply
    119,759.49x = 165,264.84 × 66,043.53
  4. Step 4: Simplify right side
    119,759.49x = 10,914,673,418.49
  5. Step 5: Solve for x
    x = 10,914,673,418.49/119,759.49
  6. Step 6: Final answer
    x = 91,138.28

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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.