Home / 118,851.48-178,277.50-30,105

Finding the Fourth Proportional to 118,851.48, 178,277.50 and 30,105

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Solution

The fourth proportional to 118,851.48, 178,277.50 and 30,105 is: 45,157.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,851.48 : 178,277.50 = 30,105 : x
  2. Step 2: Convert to fraction form
    118,851.48/178,277.50 = 30,105/x
  3. Step 3: Cross multiply
    118,851.48x = 178,277.50 × 30,105
  4. Step 4: Simplify right side
    118,851.48x = 5,367,044,137.50
  5. Step 5: Solve for x
    x = 5,367,044,137.50/118,851.48
  6. Step 6: Final answer
    x = 45,157.57

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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.