Home / 139,259.02-192,227.37-82,670.44

Finding the Fourth Proportional to 139,259.02, 192,227.37 and 82,670.44

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Solution

The fourth proportional to 139,259.02, 192,227.37 and 82,670.44 is: 114,114.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,259.02 : 192,227.37 = 82,670.44 : x
  2. Step 2: Convert to fraction form
    139,259.02/192,227.37 = 82,670.44/x
  3. Step 3: Cross multiply
    139,259.02x = 192,227.37 × 82,670.44
  4. Step 4: Simplify right side
    139,259.02x = 15,891,521,257.94
  5. Step 5: Solve for x
    x = 15,891,521,257.94/139,259.02
  6. Step 6: Final answer
    x = 114,114.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.