Home / 203,196.48-280,414.08-112,545.60

Finding the Fourth Proportional to 203,196.48, 280,414.08 and 112,545.60

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Solution

The fourth proportional to 203,196.48, 280,414.08 and 112,545.60 is: 155,314.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,196.48 : 280,414.08 = 112,545.60 : x
  2. Step 2: Convert to fraction form
    203,196.48/280,414.08 = 112,545.60/x
  3. Step 3: Cross multiply
    203,196.48x = 280,414.08 × 112,545.60
  4. Step 4: Simplify right side
    203,196.48x = 31,559,370,882.05
  5. Step 5: Solve for x
    x = 31,559,370,882.05/203,196.48
  6. Step 6: Final answer
    x = 155,314.56

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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.