Home / 119,072.62-178,614.42-40,187.56

Finding the Fourth Proportional to 119,072.62, 178,614.42 and 40,187.56

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Solution

The fourth proportional to 119,072.62, 178,614.42 and 40,187.56 is: 60,283.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,072.62 : 178,614.42 = 40,187.56 : x
  2. Step 2: Convert to fraction form
    119,072.62/178,614.42 = 40,187.56/x
  3. Step 3: Cross multiply
    119,072.62x = 178,614.42 × 40,187.56
  4. Step 4: Simplify right side
    119,072.62x = 7,178,077,720.62
  5. Step 5: Solve for x
    x = 7,178,077,720.62/119,072.62
  6. Step 6: Final answer
    x = 60,283.19

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1.5x scale

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.