Home / 119,194.91-178,788.30-55,979.67

Finding the Fourth Proportional to 119,194.91, 178,788.30 and 55,979.67

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Solution

The fourth proportional to 119,194.91, 178,788.30 and 55,979.67 is: 83,967.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,194.91 : 178,788.30 = 55,979.67 : x
  2. Step 2: Convert to fraction form
    119,194.91/178,788.30 = 55,979.67/x
  3. Step 3: Cross multiply
    119,194.91x = 178,788.30 × 55,979.67
  4. Step 4: Simplify right side
    119,194.91x = 10,008,510,033.86
  5. Step 5: Solve for x
    x = 10,008,510,033.86/119,194.91
  6. Step 6: Final answer
    x = 83,967.60

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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.