Home / 259,091.30-388,636.96-101,209.04

Finding the Fourth Proportional to 259,091.30, 388,636.96 and 101,209.04

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Solution

The fourth proportional to 259,091.30, 388,636.96 and 101,209.04 is: 151,813.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,091.30 : 388,636.96 = 101,209.04 : x
  2. Step 2: Convert to fraction form
    259,091.30/388,636.96 = 101,209.04/x
  3. Step 3: Cross multiply
    259,091.30x = 388,636.96 × 101,209.04
  4. Step 4: Simplify right side
    259,091.30x = 39,333,573,630.12
  5. Step 5: Solve for x
    x = 39,333,573,630.12/259,091.30
  6. Step 6: Final answer
    x = 151,813.56

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1.5x scale

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.