Home / 118,983.57-178,403.45-55,817.54

Finding the Fourth Proportional to 118,983.57, 178,403.45 and 55,817.54

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Solution

The fourth proportional to 118,983.57, 178,403.45 and 55,817.54 is: 83,692.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,983.57 : 178,403.45 = 55,817.54 : x
  2. Step 2: Convert to fraction form
    118,983.57/178,403.45 = 55,817.54/x
  3. Step 3: Cross multiply
    118,983.57x = 178,403.45 × 55,817.54
  4. Step 4: Simplify right side
    118,983.57x = 9,958,041,204.42
  5. Step 5: Solve for x
    x = 9,958,041,204.42/118,983.57
  6. Step 6: Final answer
    x = 83,692.58

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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.