Home / 118,811.38-178,215.52-28,854.83

Finding the Fourth Proportional to 118,811.38, 178,215.52 and 28,854.83

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Solution

The fourth proportional to 118,811.38, 178,215.52 and 28,854.83 is: 43,281.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,811.38 : 178,215.52 = 28,854.83 : x
  2. Step 2: Convert to fraction form
    118,811.38/178,215.52 = 28,854.83/x
  3. Step 3: Cross multiply
    118,811.38x = 178,215.52 × 28,854.83
  4. Step 4: Simplify right side
    118,811.38x = 5,142,378,532.96
  5. Step 5: Solve for x
    x = 5,142,378,532.96/118,811.38
  6. Step 6: Final answer
    x = 43,281.87

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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.