Home / 123,383.40-170,269.14-66,794.79

Finding the Fourth Proportional to 123,383.40, 170,269.14 and 66,794.79

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Solution

The fourth proportional to 123,383.40, 170,269.14 and 66,794.79 is: 92,176.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,383.40 : 170,269.14 = 66,794.79 : x
  2. Step 2: Convert to fraction form
    123,383.40/170,269.14 = 66,794.79/x
  3. Step 3: Cross multiply
    123,383.40x = 170,269.14 × 66,794.79
  4. Step 4: Simplify right side
    123,383.40x = 11,373,091,449.78
  5. Step 5: Solve for x
    x = 11,373,091,449.78/123,383.40
  6. Step 6: Final answer
    x = 92,176.84

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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.