Home / 132,626.24-182,964.06-78,880.64

Finding the Fourth Proportional to 132,626.24, 182,964.06 and 78,880.64

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Solution

The fourth proportional to 132,626.24, 182,964.06 and 78,880.64 is: 108,819.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,626.24 : 182,964.06 = 78,880.64 : x
  2. Step 2: Convert to fraction form
    132,626.24/182,964.06 = 78,880.64/x
  3. Step 3: Cross multiply
    132,626.24x = 182,964.06 × 78,880.64
  4. Step 4: Simplify right side
    132,626.24x = 14,432,322,149.80
  5. Step 5: Solve for x
    x = 14,432,322,149.80/132,626.24
  6. Step 6: Final answer
    x = 108,819.51

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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.