Home / 211,468.52-291,799.58-120,830.37

Finding the Fourth Proportional to 211,468.52, 291,799.58 and 120,830.37

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Solution

The fourth proportional to 211,468.52, 291,799.58 and 120,830.37 is: 166,730.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,468.52 : 291,799.58 = 120,830.37 : x
  2. Step 2: Convert to fraction form
    211,468.52/291,799.58 = 120,830.37/x
  3. Step 3: Cross multiply
    211,468.52x = 291,799.58 × 120,830.37
  4. Step 4: Simplify right side
    211,468.52x = 35,258,250,198.52
  5. Step 5: Solve for x
    x = 35,258,250,198.52/211,468.52
  6. Step 6: Final answer
    x = 166,730.49

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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.