Home / 123,074.60-168,735.33-120,832.70

Finding the Fourth Proportional to 123,074.60, 168,735.33 and 120,832.70

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Solution

The fourth proportional to 123,074.60, 168,735.33 and 120,832.70 is: 165,661.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,074.60 : 168,735.33 = 120,832.70 : x
  2. Step 2: Convert to fraction form
    123,074.60/168,735.33 = 120,832.70/x
  3. Step 3: Cross multiply
    123,074.60x = 168,735.33 × 120,832.70
  4. Step 4: Simplify right side
    123,074.60x = 20,388,745,509.29
  5. Step 5: Solve for x
    x = 20,388,745,509.29/123,074.60
  6. Step 6: Final answer
    x = 165,661.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.