Home / 123,383.34-170,269.07-66,794.72

Finding the Fourth Proportional to 123,383.34, 170,269.07 and 66,794.72

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Solution

The fourth proportional to 123,383.34, 170,269.07 and 66,794.72 is: 92,176.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,383.34 : 170,269.07 = 66,794.72 : x
  2. Step 2: Convert to fraction form
    123,383.34/170,269.07 = 66,794.72/x
  3. Step 3: Cross multiply
    123,383.34x = 170,269.07 × 66,794.72
  4. Step 4: Simplify right side
    123,383.34x = 11,373,074,855.31
  5. Step 5: Solve for x
    x = 11,373,074,855.31/123,383.34
  6. Step 6: Final answer
    x = 92,176.75

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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.