Home / 203,542.10-280,704.30-127,068.23

Finding the Fourth Proportional to 203,542.10, 280,704.30 and 127,068.23

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Solution

The fourth proportional to 203,542.10, 280,704.30 and 127,068.23 is: 175,239.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,542.10 : 280,704.30 = 127,068.23 : x
  2. Step 2: Convert to fraction form
    203,542.10/280,704.30 = 127,068.23/x
  3. Step 3: Cross multiply
    203,542.10x = 280,704.30 × 127,068.23
  4. Step 4: Simplify right side
    203,542.10x = 35,668,598,554.39
  5. Step 5: Solve for x
    x = 35,668,598,554.39/203,542.10
  6. Step 6: Final answer
    x = 175,239.42

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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.