Home / 123,251.04-170,086.20-66,662.34

Finding the Fourth Proportional to 123,251.04, 170,086.20 and 66,662.34

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Solution

The fourth proportional to 123,251.04, 170,086.20 and 66,662.34 is: 91,993.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,251.04 : 170,086.20 = 66,662.34 : x
  2. Step 2: Convert to fraction form
    123,251.04/170,086.20 = 66,662.34/x
  3. Step 3: Cross multiply
    123,251.04x = 170,086.20 × 66,662.34
  4. Step 4: Simplify right side
    123,251.04x = 11,338,344,093.71
  5. Step 5: Solve for x
    x = 11,338,344,093.71/123,251.04
  6. Step 6: Final answer
    x = 91,993.90

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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.