Home / 136,197.88-187,949.82-75,768.76

Finding the Fourth Proportional to 136,197.88, 187,949.82 and 75,768.76

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Solution

The fourth proportional to 136,197.88, 187,949.82 and 75,768.76 is: 104,559.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,197.88 : 187,949.82 = 75,768.76 : x
  2. Step 2: Convert to fraction form
    136,197.88/187,949.82 = 75,768.76/x
  3. Step 3: Cross multiply
    136,197.88x = 187,949.82 × 75,768.76
  4. Step 4: Simplify right side
    136,197.88x = 14,240,724,803.62
  5. Step 5: Solve for x
    x = 14,240,724,803.62/136,197.88
  6. Step 6: Final answer
    x = 104,559.08

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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.