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Finding the Fourth Proportional to 158,796, 238,194 and 47,988

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Solution

The fourth proportional to 158,796, 238,194 and 47,988 is: 71,982

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,796 : 238,194 = 47,988 : x
  2. Step 2: Convert to fraction form
    158,796/238,194 = 47,988/x
  3. Step 3: Cross multiply
    158,796x = 238,194 × 47,988
  4. Step 4: Simplify right side
    158,796x = 11,430,453,672
  5. Step 5: Solve for x
    x = 11,430,453,672/158,796
  6. Step 6: Final answer
    x = 71,982

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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.