Home / 259,830.08-389,813.52-110,076.44

Finding the Fourth Proportional to 259,830.08, 389,813.52 and 110,076.44

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Solution

The fourth proportional to 259,830.08, 389,813.52 and 110,076.44 is: 165,143.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,830.08 : 389,813.52 = 110,076.44 : x
  2. Step 2: Convert to fraction form
    259,830.08/389,813.52 = 110,076.44/x
  3. Step 3: Cross multiply
    259,830.08x = 389,813.52 × 110,076.44
  4. Step 4: Simplify right side
    259,830.08x = 42,909,284,545.47
  5. Step 5: Solve for x
    x = 42,909,284,545.47/259,830.08
  6. Step 6: Final answer
    x = 165,143.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.