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Finding the Fourth Proportional to 183,471.85, 253,205.03 and 101,815.56

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Solution

The fourth proportional to 183,471.85, 253,205.03 and 101,815.56 is: 140,513.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,471.85 : 253,205.03 = 101,815.56 : x
  2. Step 2: Convert to fraction form
    183,471.85/253,205.03 = 101,815.56/x
  3. Step 3: Cross multiply
    183,471.85x = 253,205.03 × 101,815.56
  4. Step 4: Simplify right side
    183,471.85x = 25,780,211,924.27
  5. Step 5: Solve for x
    x = 25,780,211,924.27/183,471.85
  6. Step 6: Final answer
    x = 140,513.17

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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.