Home / 119,685.49-179,588.83-79,731.73

Finding the Fourth Proportional to 119,685.49, 179,588.83 and 79,731.73

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Solution

The fourth proportional to 119,685.49, 179,588.83 and 79,731.73 is: 119,637.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,685.49 : 179,588.83 = 79,731.73 : x
  2. Step 2: Convert to fraction form
    119,685.49/179,588.83 = 79,731.73/x
  3. Step 3: Cross multiply
    119,685.49x = 179,588.83 × 79,731.73
  4. Step 4: Simplify right side
    119,685.49x = 14,318,928,104.58
  5. Step 5: Solve for x
    x = 14,318,928,104.58/119,685.49
  6. Step 6: Final answer
    x = 119,637.96

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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.