Home / 123,554.06-170,377.24-105,708.14

Finding the Fourth Proportional to 123,554.06, 170,377.24 and 105,708.14

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Solution

The fourth proportional to 123,554.06, 170,377.24 and 105,708.14 is: 145,768.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,554.06 : 170,377.24 = 105,708.14 : x
  2. Step 2: Convert to fraction form
    123,554.06/170,377.24 = 105,708.14/x
  3. Step 3: Cross multiply
    123,554.06x = 170,377.24 × 105,708.14
  4. Step 4: Simplify right side
    123,554.06x = 18,010,261,138.73
  5. Step 5: Solve for x
    x = 18,010,261,138.73/123,554.06
  6. Step 6: Final answer
    x = 145,768.27

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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.