Home / 118,746.64-178,120.30-28,789.00

Finding the Fourth Proportional to 118,746.64, 178,120.30 and 28,789.00

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Solution

The fourth proportional to 118,746.64, 178,120.30 and 28,789.00 is: 43,183.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,746.64 : 178,120.30 = 28,789.00 : x
  2. Step 2: Convert to fraction form
    118,746.64/178,120.30 = 28,789.00/x
  3. Step 3: Cross multiply
    118,746.64x = 178,120.30 × 28,789.00
  4. Step 4: Simplify right side
    118,746.64x = 5,127,905,855.33
  5. Step 5: Solve for x
    x = 5,127,905,855.33/118,746.64
  6. Step 6: Final answer
    x = 43,183.59

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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.