Home / 118,829.10-178,270.65-39,951.30

Finding the Fourth Proportional to 118,829.10, 178,270.65 and 39,951.30

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Solution

The fourth proportional to 118,829.10, 178,270.65 and 39,951.30 is: 59,936.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,829.10 : 178,270.65 = 39,951.30 : x
  2. Step 2: Convert to fraction form
    118,829.10/178,270.65 = 39,951.30/x
  3. Step 3: Cross multiply
    118,829.10x = 178,270.65 × 39,951.30
  4. Step 4: Simplify right side
    118,829.10x = 7,122,144,219.35
  5. Step 5: Solve for x
    x = 7,122,144,219.35/118,829.10
  6. Step 6: Final answer
    x = 59,936.03

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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.