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Finding the Fourth Proportional to 183,898.23, 275,880.15 and 71,639.52

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Solution

The fourth proportional to 183,898.23, 275,880.15 and 71,639.52 is: 107,472.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,898.23 : 275,880.15 = 71,639.52 : x
  2. Step 2: Convert to fraction form
    183,898.23/275,880.15 = 71,639.52/x
  3. Step 3: Cross multiply
    183,898.23x = 275,880.15 × 71,639.52
  4. Step 4: Simplify right side
    183,898.23x = 19,763,921,523.53
  5. Step 5: Solve for x
    x = 19,763,921,523.53/183,898.23
  6. Step 6: Final answer
    x = 107,472.06

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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.