Home / 511,169.05-766,753.47-137,192.05

Finding the Fourth Proportional to 511,169.05, 766,753.47 and 137,192.05

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Solution

The fourth proportional to 511,169.05, 766,753.47 and 137,192.05 is: 205,788.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,169.05 : 766,753.47 = 137,192.05 : x
  2. Step 2: Convert to fraction form
    511,169.05/766,753.47 = 137,192.05/x
  3. Step 3: Cross multiply
    511,169.05x = 766,753.47 × 137,192.05
  4. Step 4: Simplify right side
    511,169.05x = 105,192,478,134.05
  5. Step 5: Solve for x
    x = 105,192,478,134.05/511,169.05
  6. Step 6: Final answer
    x = 205,788.04

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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.