Home / 179,145.52-268,709.45-66,817.00

Finding the Fourth Proportional to 179,145.52, 268,709.45 and 66,817.00

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Solution

The fourth proportional to 179,145.52, 268,709.45 and 66,817.00 is: 100,222.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,145.52 : 268,709.45 = 66,817.00 : x
  2. Step 2: Convert to fraction form
    179,145.52/268,709.45 = 66,817.00/x
  3. Step 3: Cross multiply
    179,145.52x = 268,709.45 × 66,817.00
  4. Step 4: Simplify right side
    179,145.52x = 17,954,359,698.30
  5. Step 5: Solve for x
    x = 17,954,359,698.30/179,145.52
  6. Step 6: Final answer
    x = 100,222.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.