Home / 104,962.72-144,845.66-57,217

Finding the Fourth Proportional to 104,962.72, 144,845.66 and 57,217

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Solution

The fourth proportional to 104,962.72, 144,845.66 and 57,217 is: 78,957.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,962.72 : 144,845.66 = 57,217 : x
  2. Step 2: Convert to fraction form
    104,962.72/144,845.66 = 57,217/x
  3. Step 3: Cross multiply
    104,962.72x = 144,845.66 × 57,217
  4. Step 4: Simplify right side
    104,962.72x = 8,287,634,128.22
  5. Step 5: Solve for x
    x = 8,287,634,128.22/104,962.72
  6. Step 6: Final answer
    x = 78,957.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.