Home / 102,466.74-141,403.82-57,144.77

Finding the Fourth Proportional to 102,466.74, 141,403.82 and 57,144.77

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Solution

The fourth proportional to 102,466.74, 141,403.82 and 57,144.77 is: 78,859.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,466.74 : 141,403.82 = 57,144.77 : x
  2. Step 2: Convert to fraction form
    102,466.74/141,403.82 = 57,144.77/x
  3. Step 3: Cross multiply
    102,466.74x = 141,403.82 × 57,144.77
  4. Step 4: Simplify right side
    102,466.74x = 8,080,488,485.30
  5. Step 5: Solve for x
    x = 8,080,488,485.30/102,466.74
  6. Step 6: Final answer
    x = 78,859.62

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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.