Home / 219,181.44-302,469.12-118,577.28

Finding the Fourth Proportional to 219,181.44, 302,469.12 and 118,577.28

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Solution

The fourth proportional to 219,181.44, 302,469.12 and 118,577.28 is: 163,635.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,181.44 : 302,469.12 = 118,577.28 : x
  2. Step 2: Convert to fraction form
    219,181.44/302,469.12 = 118,577.28/x
  3. Step 3: Cross multiply
    219,181.44x = 302,469.12 × 118,577.28
  4. Step 4: Simplify right side
    219,181.44x = 35,865,965,533.59
  5. Step 5: Solve for x
    x = 35,865,965,533.59/219,181.44
  6. Step 6: Final answer
    x = 163,635.96

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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.