Home / 511,042.69-766,567.00-131,937.54

Finding the Fourth Proportional to 511,042.69, 766,567.00 and 131,937.54

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Solution

The fourth proportional to 511,042.69, 766,567.00 and 131,937.54 is: 197,907.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,042.69 : 766,567.00 = 131,937.54 : x
  2. Step 2: Convert to fraction form
    511,042.69/766,567.00 = 131,937.54/x
  3. Step 3: Cross multiply
    511,042.69x = 766,567.00 × 131,937.54
  4. Step 4: Simplify right side
    511,042.69x = 101,138,961,515.48
  5. Step 5: Solve for x
    x = 101,138,961,515.48/511,042.69
  6. Step 6: Final answer
    x = 197,907.07

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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.