Home / 181,929.40-273,023.70-76,823.80

Finding the Fourth Proportional to 181,929.40, 273,023.70 and 76,823.80

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Solution

The fourth proportional to 181,929.40, 273,023.70 and 76,823.80 is: 115,290.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,929.40 : 273,023.70 = 76,823.80 : x
  2. Step 2: Convert to fraction form
    181,929.40/273,023.70 = 76,823.80/x
  3. Step 3: Cross multiply
    181,929.40x = 273,023.70 × 76,823.80
  4. Step 4: Simplify right side
    181,929.40x = 20,974,718,124.06
  5. Step 5: Solve for x
    x = 20,974,718,124.06/181,929.40
  6. Step 6: Final answer
    x = 115,290.43

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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.