Home / 142,789.80-214,195.20-37,608

Finding the Fourth Proportional to 142,789.80, 214,195.20 and 37,608

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Solution

The fourth proportional to 142,789.80, 214,195.20 and 37,608 is: 56,414.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,789.80 : 214,195.20 = 37,608 : x
  2. Step 2: Convert to fraction form
    142,789.80/214,195.20 = 37,608/x
  3. Step 3: Cross multiply
    142,789.80x = 214,195.20 × 37,608
  4. Step 4: Simplify right side
    142,789.80x = 8,055,453,081.60
  5. Step 5: Solve for x
    x = 8,055,453,081.60/142,789.80
  6. Step 6: Final answer
    x = 56,414.77

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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.