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Finding the Fourth Proportional to 167,980, 251,970 and 69,484

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Solution

The fourth proportional to 167,980, 251,970 and 69,484 is: 104,226

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,980 : 251,970 = 69,484 : x
  2. Step 2: Convert to fraction form
    167,980/251,970 = 69,484/x
  3. Step 3: Cross multiply
    167,980x = 251,970 × 69,484
  4. Step 4: Simplify right side
    167,980x = 17,507,883,480
  5. Step 5: Solve for x
    x = 17,507,883,480/167,980
  6. Step 6: Final answer
    x = 104,226

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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.