Home / 103,468.56-142,790.37-58,147.44

Finding the Fourth Proportional to 103,468.56, 142,790.37 and 58,147.44

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Solution

The fourth proportional to 103,468.56, 142,790.37 and 58,147.44 is: 80,245.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,468.56 : 142,790.37 = 58,147.44 : x
  2. Step 2: Convert to fraction form
    103,468.56/142,790.37 = 58,147.44/x
  3. Step 3: Cross multiply
    103,468.56x = 142,790.37 × 58,147.44
  4. Step 4: Simplify right side
    103,468.56x = 8,302,894,472.15
  5. Step 5: Solve for x
    x = 8,302,894,472.15/103,468.56
  6. Step 6: Final answer
    x = 80,245.58

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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.