Home / 252,117.07-378,137.94-83,754.52

Finding the Fourth Proportional to 252,117.07, 378,137.94 and 83,754.52

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Solution

The fourth proportional to 252,117.07, 378,137.94 and 83,754.52 is: 125,619.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,117.07 : 378,137.94 = 83,754.52 : x
  2. Step 2: Convert to fraction form
    252,117.07/378,137.94 = 83,754.52/x
  3. Step 3: Cross multiply
    252,117.07x = 378,137.94 × 83,754.52
  4. Step 4: Simplify right side
    252,117.07x = 31,670,761,658.49
  5. Step 5: Solve for x
    x = 31,670,761,658.49/252,117.07
  6. Step 6: Final answer
    x = 125,619.27

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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.