Home / 135,533.26-203,297.86-42,039.01

Finding the Fourth Proportional to 135,533.26, 203,297.86 and 42,039.01

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Solution

The fourth proportional to 135,533.26, 203,297.86 and 42,039.01 is: 63,057.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,533.26 : 203,297.86 = 42,039.01 : x
  2. Step 2: Convert to fraction form
    135,533.26/203,297.86 = 42,039.01/x
  3. Step 3: Cross multiply
    135,533.26x = 203,297.86 × 42,039.01
  4. Step 4: Simplify right side
    135,533.26x = 8,546,440,769.52
  5. Step 5: Solve for x
    x = 8,546,440,769.52/135,533.26
  6. Step 6: Final answer
    x = 63,057.89

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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.