Home / 118,958.45-178,484.37-52,351.85

Finding the Fourth Proportional to 118,958.45, 178,484.37 and 52,351.85

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Solution

The fourth proportional to 118,958.45, 178,484.37 and 52,351.85 is: 78,548.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,958.45 : 178,484.37 = 52,351.85 : x
  2. Step 2: Convert to fraction form
    118,958.45/178,484.37 = 52,351.85/x
  3. Step 3: Cross multiply
    118,958.45x = 178,484.37 × 52,351.85
  4. Step 4: Simplify right side
    118,958.45x = 9,343,987,411.80
  5. Step 5: Solve for x
    x = 9,343,987,411.80/118,958.45
  6. Step 6: Final answer
    x = 78,548.33

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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.