Home / 211,166.46-291,410.55-115,673.82

Finding the Fourth Proportional to 211,166.46, 291,410.55 and 115,673.82

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Solution

The fourth proportional to 211,166.46, 291,410.55 and 115,673.82 is: 159,630.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,166.46 : 291,410.55 = 115,673.82 : x
  2. Step 2: Convert to fraction form
    211,166.46/291,410.55 = 115,673.82/x
  3. Step 3: Cross multiply
    211,166.46x = 291,410.55 × 115,673.82
  4. Step 4: Simplify right side
    211,166.46x = 33,708,571,506.80
  5. Step 5: Solve for x
    x = 33,708,571,506.80/211,166.46
  6. Step 6: Final answer
    x = 159,630.33

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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.