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Finding the Fourth Proportional to 188,687.89, 260,394.17 and 102,652.23

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Solution

The fourth proportional to 188,687.89, 260,394.17 and 102,652.23 is: 141,662.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,687.89 : 260,394.17 = 102,652.23 : x
  2. Step 2: Convert to fraction form
    188,687.89/260,394.17 = 102,652.23/x
  3. Step 3: Cross multiply
    188,687.89x = 260,394.17 × 102,652.23
  4. Step 4: Simplify right side
    188,687.89x = 26,730,042,229.50
  5. Step 5: Solve for x
    x = 26,730,042,229.50/188,687.89
  6. Step 6: Final answer
    x = 141,662.73

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1.5x scale

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.