Home / 211,589.48-291,993.44-120,947.39

Finding the Fourth Proportional to 211,589.48, 291,993.44 and 120,947.39

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Solution

The fourth proportional to 211,589.48, 291,993.44 and 120,947.39 is: 166,907.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,589.48 : 291,993.44 = 120,947.39 : x
  2. Step 2: Convert to fraction form
    211,589.48/291,993.44 = 120,947.39/x
  3. Step 3: Cross multiply
    211,589.48x = 291,993.44 × 120,947.39
  4. Step 4: Simplify right side
    211,589.48x = 35,315,843,495.39
  5. Step 5: Solve for x
    x = 35,315,843,495.39/211,589.48
  6. Step 6: Final answer
    x = 166,907.37

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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.