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Finding the Fourth Proportional to 188,703.90, 282,822.57 and 95,158.62

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Solution

The fourth proportional to 188,703.90, 282,822.57 and 95,158.62 is: 142,620.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,703.90 : 282,822.57 = 95,158.62 : x
  2. Step 2: Convert to fraction form
    188,703.90/282,822.57 = 95,158.62/x
  3. Step 3: Cross multiply
    188,703.90x = 282,822.57 × 95,158.62
  4. Step 4: Simplify right side
    188,703.90x = 26,913,005,466.05
  5. Step 5: Solve for x
    x = 26,913,005,466.05/188,703.90
  6. Step 6: Final answer
    x = 142,620.29

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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.