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Finding the Fourth Proportional to 188,364.45, 282,554.88 and 93,640.02

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Solution

The fourth proportional to 188,364.45, 282,554.88 and 93,640.02 is: 140,464.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,364.45 : 282,554.88 = 93,640.02 : x
  2. Step 2: Convert to fraction form
    188,364.45/282,554.88 = 93,640.02/x
  3. Step 3: Cross multiply
    188,364.45x = 282,554.88 × 93,640.02
  4. Step 4: Simplify right side
    188,364.45x = 26,458,444,614.30
  5. Step 5: Solve for x
    x = 26,458,444,614.30/188,364.45
  6. Step 6: Final answer
    x = 140,464.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.