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Finding the Fourth Proportional to 160,670.80, 221,675 and 92,678.64

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Solution

The fourth proportional to 160,670.80, 221,675 and 92,678.64 is: 127,867.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,670.80 : 221,675 = 92,678.64 : x
  2. Step 2: Convert to fraction form
    160,670.80/221,675 = 92,678.64/x
  3. Step 3: Cross multiply
    160,670.80x = 221,675 × 92,678.64
  4. Step 4: Simplify right side
    160,670.80x = 20,544,537,522
  5. Step 5: Solve for x
    x = 20,544,537,522/160,670.80
  6. Step 6: Final answer
    x = 127,867.28

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.