Home / 211,589.33-291,993.28-120,947.26

Finding the Fourth Proportional to 211,589.33, 291,993.28 and 120,947.26

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Solution

The fourth proportional to 211,589.33, 291,993.28 and 120,947.26 is: 166,907.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,589.33 : 291,993.28 = 120,947.26 : x
  2. Step 2: Convert to fraction form
    211,589.33/291,993.28 = 120,947.26/x
  3. Step 3: Cross multiply
    211,589.33x = 291,993.28 × 120,947.26
  4. Step 4: Simplify right side
    211,589.33x = 35,315,786,122.06
  5. Step 5: Solve for x
    x = 35,315,786,122.06/211,589.33
  6. Step 6: Final answer
    x = 166,907.22

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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.