Home / 203,542.04-280,921.66-112,927.21

Finding the Fourth Proportional to 203,542.04, 280,921.66 and 112,927.21

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Solution

The fourth proportional to 203,542.04, 280,921.66 and 112,927.21 is: 155,858.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,542.04 : 280,921.66 = 112,927.21 : x
  2. Step 2: Convert to fraction form
    203,542.04/280,921.66 = 112,927.21/x
  3. Step 3: Cross multiply
    203,542.04x = 280,921.66 × 112,927.21
  4. Step 4: Simplify right side
    203,542.04x = 31,723,698,307.75
  5. Step 5: Solve for x
    x = 31,723,698,307.75/203,542.04
  6. Step 6: Final answer
    x = 155,858.21

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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.