Home / 203,009.00-280,153.04-112,371.26

Finding the Fourth Proportional to 203,009.00, 280,153.04 and 112,371.26

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Solution

The fourth proportional to 203,009.00, 280,153.04 and 112,371.26 is: 155,072.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,009.00 : 280,153.04 = 112,371.26 : x
  2. Step 2: Convert to fraction form
    203,009.00/280,153.04 = 112,371.26/x
  3. Step 3: Cross multiply
    203,009.00x = 280,153.04 × 112,371.26
  4. Step 4: Simplify right side
    203,009.00x = 31,481,148,135.01
  5. Step 5: Solve for x
    x = 31,481,148,135.01/203,009.00
  6. Step 6: Final answer
    x = 155,072.68

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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.