Home / 148,961.73-223,442.64-43,780.80

Finding the Fourth Proportional to 148,961.73, 223,442.64 and 43,780.80

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Solution

The fourth proportional to 148,961.73, 223,442.64 and 43,780.80 is: 65,671.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,961.73 : 223,442.64 = 43,780.80 : x
  2. Step 2: Convert to fraction form
    148,961.73/223,442.64 = 43,780.80/x
  3. Step 3: Cross multiply
    148,961.73x = 223,442.64 × 43,780.80
  4. Step 4: Simplify right side
    148,961.73x = 9,782,497,533.31
  5. Step 5: Solve for x
    x = 9,782,497,533.31/148,961.73
  6. Step 6: Final answer
    x = 65,671.21

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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.