Home / 132,880.26-183,376.20-72,450.42

Finding the Fourth Proportional to 132,880.26, 183,376.20 and 72,450.42

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Solution

The fourth proportional to 132,880.26, 183,376.20 and 72,450.42 is: 99,982.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,880.26 : 183,376.20 = 72,450.42 : x
  2. Step 2: Convert to fraction form
    132,880.26/183,376.20 = 72,450.42/x
  3. Step 3: Cross multiply
    132,880.26x = 183,376.20 × 72,450.42
  4. Step 4: Simplify right side
    132,880.26x = 13,285,682,708.00
  5. Step 5: Solve for x
    x = 13,285,682,708.00/132,880.26
  6. Step 6: Final answer
    x = 99,982.37

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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.