Home / 137,932.75-205,692.08-136,671.56

Finding the Fourth Proportional to 137,932.75, 205,692.08 and 136,671.56

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Solution

The fourth proportional to 137,932.75, 205,692.08 and 136,671.56 is: 203,811.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,932.75 : 205,692.08 = 136,671.56 : x
  2. Step 2: Convert to fraction form
    137,932.75/205,692.08 = 136,671.56/x
  3. Step 3: Cross multiply
    137,932.75x = 205,692.08 × 136,671.56
  4. Step 4: Simplify right side
    137,932.75x = 28,112,257,453.24
  5. Step 5: Solve for x
    x = 28,112,257,453.24/137,932.75
  6. Step 6: Final answer
    x = 203,811.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.