Home / 211,092.24-291,323.94-120,427.32

Finding the Fourth Proportional to 211,092.24, 291,323.94 and 120,427.32

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Solution

The fourth proportional to 211,092.24, 291,323.94 and 120,427.32 is: 166,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,092.24 : 291,323.94 = 120,427.32 : x
  2. Step 2: Convert to fraction form
    211,092.24/291,323.94 = 120,427.32/x
  3. Step 3: Cross multiply
    211,092.24x = 291,323.94 × 120,427.32
  4. Step 4: Simplify right side
    211,092.24x = 35,083,361,346.04
  5. Step 5: Solve for x
    x = 35,083,361,346.04/211,092.24
  6. Step 6: Final answer
    x = 166,199.20

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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.