Home / 276,111.06-414,120.44-76,451.63

Finding the Fourth Proportional to 276,111.06, 414,120.44 and 76,451.63

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Solution

The fourth proportional to 276,111.06, 414,120.44 and 76,451.63 is: 114,664.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,111.06 : 414,120.44 = 76,451.63 : x
  2. Step 2: Convert to fraction form
    276,111.06/414,120.44 = 76,451.63/x
  3. Step 3: Cross multiply
    276,111.06x = 414,120.44 × 76,451.63
  4. Step 4: Simplify right side
    276,111.06x = 31,660,180,774.84
  5. Step 5: Solve for x
    x = 31,660,180,774.84/276,111.06
  6. Step 6: Final answer
    x = 114,664.66

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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.