Home / 118,945.45-178,487.83-47,857.01

Finding the Fourth Proportional to 118,945.45, 178,487.83 and 47,857.01

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Solution

The fourth proportional to 118,945.45, 178,487.83 and 47,857.01 is: 71,813.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,945.45 : 178,487.83 = 47,857.01 : x
  2. Step 2: Convert to fraction form
    118,945.45/178,487.83 = 47,857.01/x
  3. Step 3: Cross multiply
    118,945.45x = 178,487.83 × 47,857.01
  4. Step 4: Simplify right side
    118,945.45x = 8,541,894,191.77
  5. Step 5: Solve for x
    x = 8,541,894,191.77/118,945.45
  6. Step 6: Final answer
    x = 71,813.54

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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.