Home / 119,857.73-179,660.21-39,874.33

Finding the Fourth Proportional to 119,857.73, 179,660.21 and 39,874.33

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Solution

The fourth proportional to 119,857.73, 179,660.21 and 39,874.33 is: 59,769.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,857.73 : 179,660.21 = 39,874.33 : x
  2. Step 2: Convert to fraction form
    119,857.73/179,660.21 = 39,874.33/x
  3. Step 3: Cross multiply
    119,857.73x = 179,660.21 × 39,874.33
  4. Step 4: Simplify right side
    119,857.73x = 7,163,829,852.89
  5. Step 5: Solve for x
    x = 7,163,829,852.89/119,857.73
  6. Step 6: Final answer
    x = 59,769.45

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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.