Home / 100,942.51-151,414.93-43,231.95

Finding the Fourth Proportional to 100,942.51, 151,414.93 and 43,231.95

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Solution

The fourth proportional to 100,942.51, 151,414.93 and 43,231.95 is: 64,848.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,942.51 : 151,414.93 = 43,231.95 : x
  2. Step 2: Convert to fraction form
    100,942.51/151,414.93 = 43,231.95/x
  3. Step 3: Cross multiply
    100,942.51x = 151,414.93 × 43,231.95
  4. Step 4: Simplify right side
    100,942.51x = 6,545,961,709.78
  5. Step 5: Solve for x
    x = 6,545,961,709.78/100,942.51
  6. Step 6: Final answer
    x = 64,848.41

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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.