Home / 155,581.33-214,684.48-87,596.55

Finding the Fourth Proportional to 155,581.33, 214,684.48 and 87,596.55

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Solution

The fourth proportional to 155,581.33, 214,684.48 and 87,596.55 is: 120,873.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,581.33 : 214,684.48 = 87,596.55 : x
  2. Step 2: Convert to fraction form
    155,581.33/214,684.48 = 87,596.55/x
  3. Step 3: Cross multiply
    155,581.33x = 214,684.48 × 87,596.55
  4. Step 4: Simplify right side
    155,581.33x = 18,805,619,786.54
  5. Step 5: Solve for x
    x = 18,805,619,786.54/155,581.33
  6. Step 6: Final answer
    x = 120,873.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.