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Finding the Fourth Proportional to 160,813.76, 221,938 and 92,832.96

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Solution

The fourth proportional to 160,813.76, 221,938 and 92,832.96 is: 128,118.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,813.76 : 221,938 = 92,832.96 : x
  2. Step 2: Convert to fraction form
    160,813.76/221,938 = 92,832.96/x
  3. Step 3: Cross multiply
    160,813.76x = 221,938 × 92,832.96
  4. Step 4: Simplify right side
    160,813.76x = 20,603,161,476.48
  5. Step 5: Solve for x
    x = 20,603,161,476.48/160,813.76
  6. Step 6: Final answer
    x = 128,118.15

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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.