Home / 146,045.20-219,240.60-82,915.60

Finding the Fourth Proportional to 146,045.20, 219,240.60 and 82,915.60

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Solution

The fourth proportional to 146,045.20, 219,240.60 and 82,915.60 is: 124,471.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,045.20 : 219,240.60 = 82,915.60 : x
  2. Step 2: Convert to fraction form
    146,045.20/219,240.60 = 82,915.60/x
  3. Step 3: Cross multiply
    146,045.20x = 219,240.60 × 82,915.60
  4. Step 4: Simplify right side
    146,045.20x = 18,178,465,893.36
  5. Step 5: Solve for x
    x = 18,178,465,893.36/146,045.20
  6. Step 6: Final answer
    x = 124,471.51

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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.