Home / 102,400.48-141,195.60-83,227.78

Finding the Fourth Proportional to 102,400.48, 141,195.60 and 83,227.78

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Solution

The fourth proportional to 102,400.48, 141,195.60 and 83,227.78 is: 114,759.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,400.48 : 141,195.60 = 83,227.78 : x
  2. Step 2: Convert to fraction form
    102,400.48/141,195.60 = 83,227.78/x
  3. Step 3: Cross multiply
    102,400.48x = 141,195.60 × 83,227.78
  4. Step 4: Simplify right side
    102,400.48x = 11,751,396,333.77
  5. Step 5: Solve for x
    x = 11,751,396,333.77/102,400.48
  6. Step 6: Final answer
    x = 114,759.19

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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.