Home / 179,421.75-268,947.90-79,628.94

Finding the Fourth Proportional to 179,421.75, 268,947.90 and 79,628.94

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Solution

The fourth proportional to 179,421.75, 268,947.90 and 79,628.94 is: 119,361.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,421.75 : 268,947.90 = 79,628.94 : x
  2. Step 2: Convert to fraction form
    179,421.75/268,947.90 = 79,628.94/x
  3. Step 3: Cross multiply
    179,421.75x = 268,947.90 × 79,628.94
  4. Step 4: Simplify right side
    179,421.75x = 21,416,036,192.23
  5. Step 5: Solve for x
    x = 21,416,036,192.23/179,421.75
  6. Step 6: Final answer
    x = 119,361.43

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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.