Home / 188,628.92-260,308.68-103,751.36

Finding the Fourth Proportional to 188,628.92, 260,308.68 and 103,751.36

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Solution

The fourth proportional to 188,628.92, 260,308.68 and 103,751.36 is: 143,177.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,628.92 : 260,308.68 = 103,751.36 : x
  2. Step 2: Convert to fraction form
    188,628.92/260,308.68 = 103,751.36/x
  3. Step 3: Cross multiply
    188,628.92x = 260,308.68 × 103,751.36
  4. Step 4: Simplify right side
    188,628.92x = 27,007,379,569.80
  5. Step 5: Solve for x
    x = 27,007,379,569.80/188,628.92
  6. Step 6: Final answer
    x = 143,177.30

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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.