Home / 211,047.96-291,252.78-115,563.72

Finding the Fourth Proportional to 211,047.96, 291,252.78 and 115,563.72

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Solution

The fourth proportional to 211,047.96, 291,252.78 and 115,563.72 is: 159,481.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,047.96 : 291,252.78 = 115,563.72 : x
  2. Step 2: Convert to fraction form
    211,047.96/291,252.78 = 115,563.72/x
  3. Step 3: Cross multiply
    211,047.96x = 291,252.78 × 115,563.72
  4. Step 4: Simplify right side
    211,047.96x = 33,658,254,717.14
  5. Step 5: Solve for x
    x = 33,658,254,717.14/211,047.96
  6. Step 6: Final answer
    x = 159,481.54

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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.