Home / 202,181.12-303,239.47-67,233.95

Finding the Fourth Proportional to 202,181.12, 303,239.47 and 67,233.95

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Solution

The fourth proportional to 202,181.12, 303,239.47 and 67,233.95 is: 100,840.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,181.12 : 303,239.47 = 67,233.95 : x
  2. Step 2: Convert to fraction form
    202,181.12/303,239.47 = 67,233.95/x
  3. Step 3: Cross multiply
    202,181.12x = 303,239.47 × 67,233.95
  4. Step 4: Simplify right side
    202,181.12x = 20,387,987,364.01
  5. Step 5: Solve for x
    x = 20,387,987,364.01/202,181.12
  6. Step 6: Final answer
    x = 100,840.21

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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.