Home / 143,219.14-214,927.31-49,724.90

Finding the Fourth Proportional to 143,219.14, 214,927.31 and 49,724.90

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Solution

The fourth proportional to 143,219.14, 214,927.31 and 49,724.90 is: 74,621.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,219.14 : 214,927.31 = 49,724.90 : x
  2. Step 2: Convert to fraction form
    143,219.14/214,927.31 = 49,724.90/x
  3. Step 3: Cross multiply
    143,219.14x = 214,927.31 × 49,724.90
  4. Step 4: Simplify right side
    143,219.14x = 10,687,238,997.02
  5. Step 5: Solve for x
    x = 10,687,238,997.02/143,219.14
  6. Step 6: Final answer
    x = 74,621.58

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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.