Home / 115,975.58-173,667.99-76,412.78

Finding the Fourth Proportional to 115,975.58, 173,667.99 and 76,412.78

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Solution

The fourth proportional to 115,975.58, 173,667.99 and 76,412.78 is: 114,424.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,975.58 : 173,667.99 = 76,412.78 : x
  2. Step 2: Convert to fraction form
    115,975.58/173,667.99 = 76,412.78/x
  3. Step 3: Cross multiply
    115,975.58x = 173,667.99 × 76,412.78
  4. Step 4: Simplify right side
    115,975.58x = 13,270,453,912.91
  5. Step 5: Solve for x
    x = 13,270,453,912.91/115,975.58
  6. Step 6: Final answer
    x = 114,424.55

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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.