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Finding the Fourth Proportional to 188,008.29, 259,453.53 and 103,123.53

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Solution

The fourth proportional to 188,008.29, 259,453.53 and 103,123.53 is: 142,311.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,008.29 : 259,453.53 = 103,123.53 : x
  2. Step 2: Convert to fraction form
    188,008.29/259,453.53 = 103,123.53/x
  3. Step 3: Cross multiply
    188,008.29x = 259,453.53 × 103,123.53
  4. Step 4: Simplify right side
    188,008.29x = 26,755,763,884.56
  5. Step 5: Solve for x
    x = 26,755,763,884.56/188,008.29
  6. Step 6: Final answer
    x = 142,311.62

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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.