Home / 123,554.92-170,505.24-66,966.31

Finding the Fourth Proportional to 123,554.92, 170,505.24 and 66,966.31

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Solution

The fourth proportional to 123,554.92, 170,505.24 and 66,966.31 is: 92,413.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,554.92 : 170,505.24 = 66,966.31 : x
  2. Step 2: Convert to fraction form
    123,554.92/170,505.24 = 66,966.31/x
  3. Step 3: Cross multiply
    123,554.92x = 170,505.24 × 66,966.31
  4. Step 4: Simplify right side
    123,554.92x = 11,418,106,758.46
  5. Step 5: Solve for x
    x = 11,418,106,758.46/123,554.92
  6. Step 6: Final answer
    x = 92,413.21

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1.5x scale

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.