Home / 98,221.43-135,546.52-55,780.27

Finding the Fourth Proportional to 98,221.43, 135,546.52 and 55,780.27

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Solution

The fourth proportional to 98,221.43, 135,546.52 and 55,780.27 is: 76,977.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,221.43 : 135,546.52 = 55,780.27 : x
  2. Step 2: Convert to fraction form
    98,221.43/135,546.52 = 55,780.27/x
  3. Step 3: Cross multiply
    98,221.43x = 135,546.52 × 55,780.27
  4. Step 4: Simplify right side
    98,221.43x = 7,560,821,483.16
  5. Step 5: Solve for x
    x = 7,560,821,483.16/98,221.43
  6. Step 6: Final answer
    x = 76,977.31

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1.5x scale

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.