Home / 154,174.12-213,037.59-120,268.33

Finding the Fourth Proportional to 154,174.12, 213,037.59 and 120,268.33

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Solution

The fourth proportional to 154,174.12, 213,037.59 and 120,268.33 is: 166,186.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,174.12 : 213,037.59 = 120,268.33 : x
  2. Step 2: Convert to fraction form
    154,174.12/213,037.59 = 120,268.33/x
  3. Step 3: Cross multiply
    154,174.12x = 213,037.59 × 120,268.33
  4. Step 4: Simplify right side
    154,174.12x = 25,621,675,094.94
  5. Step 5: Solve for x
    x = 25,621,675,094.94/154,174.12
  6. Step 6: Final answer
    x = 166,186.62

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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.