Home / 119,028.24-178,537.68-40,140.72

Finding the Fourth Proportional to 119,028.24, 178,537.68 and 40,140.72

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Solution

The fourth proportional to 119,028.24, 178,537.68 and 40,140.72 is: 60,209.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,028.24 : 178,537.68 = 40,140.72 : x
  2. Step 2: Convert to fraction form
    119,028.24/178,537.68 = 40,140.72/x
  3. Step 3: Cross multiply
    119,028.24x = 178,537.68 × 40,140.72
  4. Step 4: Simplify right side
    119,028.24x = 7,166,631,022.33
  5. Step 5: Solve for x
    x = 7,166,631,022.33/119,028.24
  6. Step 6: Final answer
    x = 60,209.50

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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.