Home / 119,020.93-178,406.85-40,107.89

Finding the Fourth Proportional to 119,020.93, 178,406.85 and 40,107.89

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Solution

The fourth proportional to 119,020.93, 178,406.85 and 40,107.89 is: 60,119.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,020.93 : 178,406.85 = 40,107.89 : x
  2. Step 2: Convert to fraction form
    119,020.93/178,406.85 = 40,107.89/x
  3. Step 3: Cross multiply
    119,020.93x = 178,406.85 × 40,107.89
  4. Step 4: Simplify right side
    119,020.93x = 7,155,522,315.05
  5. Step 5: Solve for x
    x = 7,155,522,315.05/119,020.93
  6. Step 6: Final answer
    x = 60,119.87

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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.