Home / 118,899.96-178,377.21-40,012.08

Finding the Fourth Proportional to 118,899.96, 178,377.21 and 40,012.08

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Solution

The fourth proportional to 118,899.96, 178,377.21 and 40,012.08 is: 60,027.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,899.96 : 178,377.21 = 40,012.08 : x
  2. Step 2: Convert to fraction form
    118,899.96/178,377.21 = 40,012.08/x
  3. Step 3: Cross multiply
    118,899.96x = 178,377.21 × 40,012.08
  4. Step 4: Simplify right side
    118,899.96x = 7,137,243,196.70
  5. Step 5: Solve for x
    x = 7,137,243,196.70/118,899.96
  6. Step 6: Final answer
    x = 60,027.30

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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.