Home / 100,769.56-151,172.71-34,206.19

Finding the Fourth Proportional to 100,769.56, 151,172.71 and 34,206.19

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Solution

The fourth proportional to 100,769.56, 151,172.71 and 34,206.19 is: 51,315.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,769.56 : 151,172.71 = 34,206.19 : x
  2. Step 2: Convert to fraction form
    100,769.56/151,172.71 = 34,206.19/x
  3. Step 3: Cross multiply
    100,769.56x = 151,172.71 × 34,206.19
  4. Step 4: Simplify right side
    100,769.56x = 5,171,042,441.07
  5. Step 5: Solve for x
    x = 5,171,042,441.07/100,769.56
  6. Step 6: Final answer
    x = 51,315.52

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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.