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Finding the Fourth Proportional to 213,891.92, 295,167.26 and 118,396.56

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Solution

The fourth proportional to 213,891.92, 295,167.26 and 118,396.56 is: 163,385.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,891.92 : 295,167.26 = 118,396.56 : x
  2. Step 2: Convert to fraction form
    213,891.92/295,167.26 = 118,396.56/x
  3. Step 3: Cross multiply
    213,891.92x = 295,167.26 × 118,396.56
  4. Step 4: Simplify right side
    213,891.92x = 34,946,788,208.63
  5. Step 5: Solve for x
    x = 34,946,788,208.63/213,891.92
  6. Step 6: Final answer
    x = 163,385.27

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1.5x scale

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.