Home / 269,516.12-404,155.82-100,918.22

Finding the Fourth Proportional to 269,516.12, 404,155.82 and 100,918.22

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Solution

The fourth proportional to 269,516.12, 404,155.82 and 100,918.22 is: 151,333.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,516.12 : 404,155.82 = 100,918.22 : x
  2. Step 2: Convert to fraction form
    269,516.12/404,155.82 = 100,918.22/x
  3. Step 3: Cross multiply
    269,516.12x = 404,155.82 × 100,918.22
  4. Step 4: Simplify right side
    269,516.12x = 40,786,685,957.04
  5. Step 5: Solve for x
    x = 40,786,685,957.04/269,516.12
  6. Step 6: Final answer
    x = 151,333.01

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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.