Home / 119,894.81-179,821.73-39,923.69

Finding the Fourth Proportional to 119,894.81, 179,821.73 and 39,923.69

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Solution

The fourth proportional to 119,894.81, 179,821.73 and 39,923.69 is: 59,878.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,894.81 : 179,821.73 = 39,923.69 : x
  2. Step 2: Convert to fraction form
    119,894.81/179,821.73 = 39,923.69/x
  3. Step 3: Cross multiply
    119,894.81x = 179,821.73 × 39,923.69
  4. Step 4: Simplify right side
    119,894.81x = 7,179,146,204.48
  5. Step 5: Solve for x
    x = 7,179,146,204.48/119,894.81
  6. Step 6: Final answer
    x = 59,878.71

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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.