Home / 204,030.40-306,021.24-54,281.68

Finding the Fourth Proportional to 204,030.40, 306,021.24 and 54,281.68

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Solution

The fourth proportional to 204,030.40, 306,021.24 and 54,281.68 is: 81,416.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,030.40 : 306,021.24 = 54,281.68 : x
  2. Step 2: Convert to fraction form
    204,030.40/306,021.24 = 54,281.68/x
  3. Step 3: Cross multiply
    204,030.40x = 306,021.24 × 54,281.68
  4. Step 4: Simplify right side
    204,030.40x = 16,611,347,022.88
  5. Step 5: Solve for x
    x = 16,611,347,022.88/204,030.40
  6. Step 6: Final answer
    x = 81,416.04

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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.