Home / 123,563.04-170,516.44-66,974.28

Finding the Fourth Proportional to 123,563.04, 170,516.44 and 66,974.28

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Solution

The fourth proportional to 123,563.04, 170,516.44 and 66,974.28 is: 92,424.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,563.04 : 170,516.44 = 66,974.28 : x
  2. Step 2: Convert to fraction form
    123,563.04/170,516.44 = 66,974.28/x
  3. Step 3: Cross multiply
    123,563.04x = 170,516.44 × 66,974.28
  4. Step 4: Simplify right side
    123,563.04x = 11,420,215,797.16
  5. Step 5: Solve for x
    x = 11,420,215,797.16/123,563.04
  6. Step 6: Final answer
    x = 92,424.21

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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.