Home / 135,238.06-202,973.73-52,190.38

Finding the Fourth Proportional to 135,238.06, 202,973.73 and 52,190.38

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Solution

The fourth proportional to 135,238.06, 202,973.73 and 52,190.38 is: 78,330.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,238.06 : 202,973.73 = 52,190.38 : x
  2. Step 2: Convert to fraction form
    135,238.06/202,973.73 = 52,190.38/x
  3. Step 3: Cross multiply
    135,238.06x = 202,973.73 × 52,190.38
  4. Step 4: Simplify right side
    135,238.06x = 10,593,276,098.72
  5. Step 5: Solve for x
    x = 10,593,276,098.72/135,238.06
  6. Step 6: Final answer
    x = 78,330.58

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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.