Home / 170,372.33-255,077.36-90,228.50

Finding the Fourth Proportional to 170,372.33, 255,077.36 and 90,228.50

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Solution

The fourth proportional to 170,372.33, 255,077.36 and 90,228.50 is: 135,087.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,372.33 : 255,077.36 = 90,228.50 : x
  2. Step 2: Convert to fraction form
    170,372.33/255,077.36 = 90,228.50/x
  3. Step 3: Cross multiply
    170,372.33x = 255,077.36 × 90,228.50
  4. Step 4: Simplify right side
    170,372.33x = 23,015,247,125.62
  5. Step 5: Solve for x
    x = 23,015,247,125.62/170,372.33
  6. Step 6: Final answer
    x = 135,087.94

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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.