Home / 135,722.25-203,555.16-51,453.36

Finding the Fourth Proportional to 135,722.25, 203,555.16 and 51,453.36

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Solution

The fourth proportional to 135,722.25, 203,555.16 and 51,453.36 is: 77,169.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,722.25 : 203,555.16 = 51,453.36 : x
  2. Step 2: Convert to fraction form
    135,722.25/203,555.16 = 51,453.36/x
  3. Step 3: Cross multiply
    135,722.25x = 203,555.16 × 51,453.36
  4. Step 4: Simplify right side
    135,722.25x = 10,473,596,927.34
  5. Step 5: Solve for x
    x = 10,473,596,927.34/135,722.25
  6. Step 6: Final answer
    x = 77,169.34

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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.