Home / 90,256.85-124,553.79-54,466.59

Finding the Fourth Proportional to 90,256.85, 124,553.79 and 54,466.59

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Solution

The fourth proportional to 90,256.85, 124,553.79 and 54,466.59 is: 75,163.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,256.85 : 124,553.79 = 54,466.59 : x
  2. Step 2: Convert to fraction form
    90,256.85/124,553.79 = 54,466.59/x
  3. Step 3: Cross multiply
    90,256.85x = 124,553.79 × 54,466.59
  4. Step 4: Simplify right side
    90,256.85x = 6,784,020,212.88
  5. Step 5: Solve for x
    x = 6,784,020,212.88/90,256.85
  6. Step 6: Final answer
    x = 75,163.50

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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.