Home / 211,569.54-291,965.96-120,927.45

Finding the Fourth Proportional to 211,569.54, 291,965.96 and 120,927.45

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Solution

The fourth proportional to 211,569.54, 291,965.96 and 120,927.45 is: 166,879.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,569.54 : 291,965.96 = 120,927.45 : x
  2. Step 2: Convert to fraction form
    211,569.54/291,965.96 = 120,927.45/x
  3. Step 3: Cross multiply
    211,569.54x = 291,965.96 × 120,927.45
  4. Step 4: Simplify right side
    211,569.54x = 35,306,700,295.14
  5. Step 5: Solve for x
    x = 35,306,700,295.14/211,569.54
  6. Step 6: Final answer
    x = 166,879.88

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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.