Home / 89,220.43-133,788.29-51,791.98

Finding the Fourth Proportional to 89,220.43, 133,788.29 and 51,791.98

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Solution

The fourth proportional to 89,220.43, 133,788.29 and 51,791.98 is: 77,663.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,220.43 : 133,788.29 = 51,791.98 : x
  2. Step 2: Convert to fraction form
    89,220.43/133,788.29 = 51,791.98/x
  3. Step 3: Cross multiply
    89,220.43x = 133,788.29 × 51,791.98
  4. Step 4: Simplify right side
    89,220.43x = 6,929,160,180.95
  5. Step 5: Solve for x
    x = 6,929,160,180.95/89,220.43
  6. Step 6: Final answer
    x = 77,663.38

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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.