Home / 125,180.70-187,751.41-40,940.18

Finding the Fourth Proportional to 125,180.70, 187,751.41 and 40,940.18

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Solution

The fourth proportional to 125,180.70, 187,751.41 and 40,940.18 is: 61,403.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,180.70 : 187,751.41 = 40,940.18 : x
  2. Step 2: Convert to fraction form
    125,180.70/187,751.41 = 40,940.18/x
  3. Step 3: Cross multiply
    125,180.70x = 187,751.41 × 40,940.18
  4. Step 4: Simplify right side
    125,180.70x = 7,686,576,520.65
  5. Step 5: Solve for x
    x = 7,686,576,520.65/125,180.70
  6. Step 6: Final answer
    x = 61,403.85

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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.