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Finding the Fourth Proportional to 169,400, 254,100 and 70,904

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Solution

The fourth proportional to 169,400, 254,100 and 70,904 is: 106,356

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,400 : 254,100 = 70,904 : x
  2. Step 2: Convert to fraction form
    169,400/254,100 = 70,904/x
  3. Step 3: Cross multiply
    169,400x = 254,100 × 70,904
  4. Step 4: Simplify right side
    169,400x = 18,016,706,400
  5. Step 5: Solve for x
    x = 18,016,706,400/169,400
  6. Step 6: Final answer
    x = 106,356

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.