Home / 193,342.35-290,027.36-80,909.36

Finding the Fourth Proportional to 193,342.35, 290,027.36 and 80,909.36

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Solution

The fourth proportional to 193,342.35, 290,027.36 and 80,909.36 is: 121,369.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,342.35 : 290,027.36 = 80,909.36 : x
  2. Step 2: Convert to fraction form
    193,342.35/290,027.36 = 80,909.36/x
  3. Step 3: Cross multiply
    193,342.35x = 290,027.36 × 80,909.36
  4. Step 4: Simplify right side
    193,342.35x = 23,465,928,080.09
  5. Step 5: Solve for x
    x = 23,465,928,080.09/193,342.35
  6. Step 6: Final answer
    x = 121,369.83

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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.