Home / 136,611.77-204,923.93-51,243.03

Finding the Fourth Proportional to 136,611.77, 204,923.93 and 51,243.03

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Solution

The fourth proportional to 136,611.77, 204,923.93 and 51,243.03 is: 76,866.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,611.77 : 204,923.93 = 51,243.03 : x
  2. Step 2: Convert to fraction form
    136,611.77/204,923.93 = 51,243.03/x
  3. Step 3: Cross multiply
    136,611.77x = 204,923.93 × 51,243.03
  4. Step 4: Simplify right side
    136,611.77x = 10,500,922,836.49
  5. Step 5: Solve for x
    x = 10,500,922,836.49/136,611.77
  6. Step 6: Final answer
    x = 76,866.90

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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.