Home / 188,566.88-283,036.21-138,506.45

Finding the Fourth Proportional to 188,566.88, 283,036.21 and 138,506.45

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Solution

The fourth proportional to 188,566.88, 283,036.21 and 138,506.45 is: 207,896.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,566.88 : 283,036.21 = 138,506.45 : x
  2. Step 2: Convert to fraction form
    188,566.88/283,036.21 = 138,506.45/x
  3. Step 3: Cross multiply
    188,566.88x = 283,036.21 × 138,506.45
  4. Step 4: Simplify right side
    188,566.88x = 39,202,338,560.84
  5. Step 5: Solve for x
    x = 39,202,338,560.84/188,566.88
  6. Step 6: Final answer
    x = 207,896.21

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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.