Home / 102,512.84-141,467.78-57,190.82

Finding the Fourth Proportional to 102,512.84, 141,467.78 and 57,190.82

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Solution

The fourth proportional to 102,512.84, 141,467.78 and 57,190.82 is: 78,923.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,512.84 : 141,467.78 = 57,190.82 : x
  2. Step 2: Convert to fraction form
    102,512.84/141,467.78 = 57,190.82/x
  3. Step 3: Cross multiply
    102,512.84x = 141,467.78 × 57,190.82
  4. Step 4: Simplify right side
    102,512.84x = 8,090,657,348.49
  5. Step 5: Solve for x
    x = 8,090,657,348.49/102,512.84
  6. Step 6: Final answer
    x = 78,923.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.