Home / 155,712.20-214,890.68-95,263.92

Finding the Fourth Proportional to 155,712.20, 214,890.68 and 95,263.92

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Solution

The fourth proportional to 155,712.20, 214,890.68 and 95,263.92 is: 131,469.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,712.20 : 214,890.68 = 95,263.92 : x
  2. Step 2: Convert to fraction form
    155,712.20/214,890.68 = 95,263.92/x
  3. Step 3: Cross multiply
    155,712.20x = 214,890.68 × 95,263.92
  4. Step 4: Simplify right side
    155,712.20x = 20,471,328,548.27
  5. Step 5: Solve for x
    x = 20,471,328,548.27/155,712.20
  6. Step 6: Final answer
    x = 131,469.01

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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.