Home / 135,460.26-203,079.56-51,172.59

Finding the Fourth Proportional to 135,460.26, 203,079.56 and 51,172.59

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Solution

The fourth proportional to 135,460.26, 203,079.56 and 51,172.59 is: 76,717.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,460.26 : 203,079.56 = 51,172.59 : x
  2. Step 2: Convert to fraction form
    135,460.26/203,079.56 = 51,172.59/x
  3. Step 3: Cross multiply
    135,460.26x = 203,079.56 × 51,172.59
  4. Step 4: Simplify right side
    135,460.26x = 10,392,106,805.40
  5. Step 5: Solve for x
    x = 10,392,106,805.40/135,460.26
  6. Step 6: Final answer
    x = 76,717.02

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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.