Home / 123,554.63-170,505.99-66,966

Finding the Fourth Proportional to 123,554.63, 170,505.99 and 66,966

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Solution

The fourth proportional to 123,554.63, 170,505.99 and 66,966 is: 92,413.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,554.63 : 170,505.99 = 66,966 : x
  2. Step 2: Convert to fraction form
    123,554.63/170,505.99 = 66,966/x
  3. Step 3: Cross multiply
    123,554.63x = 170,505.99 × 66,966
  4. Step 4: Simplify right side
    123,554.63x = 11,418,104,126.34
  5. Step 5: Solve for x
    x = 11,418,104,126.34/123,554.63
  6. Step 6: Final answer
    x = 92,413.41

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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.