Home / 222,077.84-306,466.52-120,103.41

Finding the Fourth Proportional to 222,077.84, 306,466.52 and 120,103.41

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Solution

The fourth proportional to 222,077.84, 306,466.52 and 120,103.41 is: 165,742.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,077.84 : 306,466.52 = 120,103.41 : x
  2. Step 2: Convert to fraction form
    222,077.84/306,466.52 = 120,103.41/x
  3. Step 3: Cross multiply
    222,077.84x = 306,466.52 × 120,103.41
  4. Step 4: Simplify right side
    222,077.84x = 36,807,673,603.27
  5. Step 5: Solve for x
    x = 36,807,673,603.27/222,077.84
  6. Step 6: Final answer
    x = 165,742.22

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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.