Home / 195,609.73-269,922.76-155,420.77

Finding the Fourth Proportional to 195,609.73, 269,922.76 and 155,420.77

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Solution

The fourth proportional to 195,609.73, 269,922.76 and 155,420.77 is: 214,465.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,609.73 : 269,922.76 = 155,420.77 : x
  2. Step 2: Convert to fraction form
    195,609.73/269,922.76 = 155,420.77/x
  3. Step 3: Cross multiply
    195,609.73x = 269,922.76 × 155,420.77
  4. Step 4: Simplify right side
    195,609.73x = 41,951,603,199.73
  5. Step 5: Solve for x
    x = 41,951,603,199.73/195,609.73
  6. Step 6: Final answer
    x = 214,465.83

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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.