Home / 212,847.48-319,188.06-92,941

Finding the Fourth Proportional to 212,847.48, 319,188.06 and 92,941

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Solution

The fourth proportional to 212,847.48, 319,188.06 and 92,941 is: 139,375.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,847.48 : 319,188.06 = 92,941 : x
  2. Step 2: Convert to fraction form
    212,847.48/319,188.06 = 92,941/x
  3. Step 3: Cross multiply
    212,847.48x = 319,188.06 × 92,941
  4. Step 4: Simplify right side
    212,847.48x = 29,665,657,484.46
  5. Step 5: Solve for x
    x = 29,665,657,484.46/212,847.48
  6. Step 6: Final answer
    x = 139,375.19

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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.