Home / 211,264.92-291,536.69-115,775.64

Finding the Fourth Proportional to 211,264.92, 291,536.69 and 115,775.64

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Solution

The fourth proportional to 211,264.92, 291,536.69 and 115,775.64 is: 159,765.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,264.92 : 291,536.69 = 115,775.64 : x
  2. Step 2: Convert to fraction form
    211,264.92/291,536.69 = 115,775.64/x
  3. Step 3: Cross multiply
    211,264.92x = 291,536.69 × 115,775.64
  4. Step 4: Simplify right side
    211,264.92x = 33,752,846,289.35
  5. Step 5: Solve for x
    x = 33,752,846,289.35/211,264.92
  6. Step 6: Final answer
    x = 159,765.50

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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.