Home / 102,880.92-154,215.78-50,225.64

Finding the Fourth Proportional to 102,880.92, 154,215.78 and 50,225.64

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Solution

The fourth proportional to 102,880.92, 154,215.78 and 50,225.64 is: 75,286.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,880.92 : 154,215.78 = 50,225.64 : x
  2. Step 2: Convert to fraction form
    102,880.92/154,215.78 = 50,225.64/x
  3. Step 3: Cross multiply
    102,880.92x = 154,215.78 × 50,225.64
  4. Step 4: Simplify right side
    102,880.92x = 7,745,586,248.60
  5. Step 5: Solve for x
    x = 7,745,586,248.60/102,880.92
  6. Step 6: Final answer
    x = 75,286.91

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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.