Home / 119,311.59-178,963.26-30,565.86

Finding the Fourth Proportional to 119,311.59, 178,963.26 and 30,565.86

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Solution

The fourth proportional to 119,311.59, 178,963.26 and 30,565.86 is: 45,847.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,311.59 : 178,963.26 = 30,565.86 : x
  2. Step 2: Convert to fraction form
    119,311.59/178,963.26 = 30,565.86/x
  3. Step 3: Cross multiply
    119,311.59x = 178,963.26 × 30,565.86
  4. Step 4: Simplify right side
    119,311.59x = 5,470,165,950.30
  5. Step 5: Solve for x
    x = 5,470,165,950.30/119,311.59
  6. Step 6: Final answer
    x = 45,847.73

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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.