Home / 198,618.04-274,181.25-118,071.64

Finding the Fourth Proportional to 198,618.04, 274,181.25 and 118,071.64

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Solution

The fourth proportional to 198,618.04, 274,181.25 and 118,071.64 is: 162,991.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,618.04 : 274,181.25 = 118,071.64 : x
  2. Step 2: Convert to fraction form
    198,618.04/274,181.25 = 118,071.64/x
  3. Step 3: Cross multiply
    198,618.04x = 274,181.25 × 118,071.64
  4. Step 4: Simplify right side
    198,618.04x = 32,373,029,844.75
  5. Step 5: Solve for x
    x = 32,373,029,844.75/198,618.04
  6. Step 6: Final answer
    x = 162,991.39

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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.