Home / 251,081.19-376,580.21-82,603.60

Finding the Fourth Proportional to 251,081.19, 376,580.21 and 82,603.60

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Solution

The fourth proportional to 251,081.19, 376,580.21 and 82,603.60 is: 123,891.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,081.19 : 376,580.21 = 82,603.60 : x
  2. Step 2: Convert to fraction form
    251,081.19/376,580.21 = 82,603.60/x
  3. Step 3: Cross multiply
    251,081.19x = 376,580.21 × 82,603.60
  4. Step 4: Simplify right side
    251,081.19x = 31,106,880,377.26
  5. Step 5: Solve for x
    x = 31,106,880,377.26/251,081.19
  6. Step 6: Final answer
    x = 123,891.72

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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.