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Finding the Fourth Proportional to 116,042.40, 160,125.84 and 68,310.72

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Solution

The fourth proportional to 116,042.40, 160,125.84 and 68,310.72 is: 94,261.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,042.40 : 160,125.84 = 68,310.72 : x
  2. Step 2: Convert to fraction form
    116,042.40/160,125.84 = 68,310.72/x
  3. Step 3: Cross multiply
    116,042.40x = 160,125.84 × 68,310.72
  4. Step 4: Simplify right side
    116,042.40x = 10,938,311,421.00
  5. Step 5: Solve for x
    x = 10,938,311,421.00/116,042.40
  6. Step 6: Final answer
    x = 94,261.33

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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.