Home / 208,825.62-288,175.26-118,179.90

Finding the Fourth Proportional to 208,825.62, 288,175.26 and 118,179.90

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Solution

The fourth proportional to 208,825.62, 288,175.26 and 118,179.90 is: 163,085.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,825.62 : 288,175.26 = 118,179.90 : x
  2. Step 2: Convert to fraction form
    208,825.62/288,175.26 = 118,179.90/x
  3. Step 3: Cross multiply
    208,825.62x = 288,175.26 × 118,179.90
  4. Step 4: Simplify right side
    208,825.62x = 34,056,523,409.27
  5. Step 5: Solve for x
    x = 34,056,523,409.27/208,825.62
  6. Step 6: Final answer
    x = 163,085.94

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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.