Home / 239,900.96-359,457.57-82,043.30

Finding the Fourth Proportional to 239,900.96, 359,457.57 and 82,043.30

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Solution

The fourth proportional to 239,900.96, 359,457.57 and 82,043.30 is: 122,930.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,900.96 : 359,457.57 = 82,043.30 : x
  2. Step 2: Convert to fraction form
    239,900.96/359,457.57 = 82,043.30/x
  3. Step 3: Cross multiply
    239,900.96x = 359,457.57 × 82,043.30
  4. Step 4: Simplify right side
    239,900.96x = 29,491,083,455.49
  5. Step 5: Solve for x
    x = 29,491,083,455.49/239,900.96
  6. Step 6: Final answer
    x = 122,930.25

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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.