Home / 119,839.58-179,588.03-87,999.85

Finding the Fourth Proportional to 119,839.58, 179,588.03 and 87,999.85

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Solution

The fourth proportional to 119,839.58, 179,588.03 and 87,999.85 is: 131,873.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,839.58 : 179,588.03 = 87,999.85 : x
  2. Step 2: Convert to fraction form
    119,839.58/179,588.03 = 87,999.85/x
  3. Step 3: Cross multiply
    119,839.58x = 179,588.03 × 87,999.85
  4. Step 4: Simplify right side
    119,839.58x = 15,803,718,476.10
  5. Step 5: Solve for x
    x = 15,803,718,476.10/119,839.58
  6. Step 6: Final answer
    x = 131,873.95

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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.