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Finding the Fourth Proportional to 188,941.96, 260,720.61 and 116,333.32

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Solution

The fourth proportional to 188,941.96, 260,720.61 and 116,333.32 is: 160,528.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,941.96 : 260,720.61 = 116,333.32 : x
  2. Step 2: Convert to fraction form
    188,941.96/260,720.61 = 116,333.32/x
  3. Step 3: Cross multiply
    188,941.96x = 260,720.61 × 116,333.32
  4. Step 4: Simplify right side
    188,941.96x = 30,330,494,153.73
  5. Step 5: Solve for x
    x = 30,330,494,153.73/188,941.96
  6. Step 6: Final answer
    x = 160,528.10

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Why These Related Problems?

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