Home / 119,786.54-179,698.80-39,827.48

Finding the Fourth Proportional to 119,786.54, 179,698.80 and 39,827.48

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Solution

The fourth proportional to 119,786.54, 179,698.80 and 39,827.48 is: 59,747.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,786.54 : 179,698.80 = 39,827.48 : x
  2. Step 2: Convert to fraction form
    119,786.54/179,698.80 = 39,827.48/x
  3. Step 3: Cross multiply
    119,786.54x = 179,698.80 × 39,827.48
  4. Step 4: Simplify right side
    119,786.54x = 7,156,950,363.02
  5. Step 5: Solve for x
    x = 7,156,950,363.02/119,786.54
  6. Step 6: Final answer
    x = 59,747.53

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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.