Home / 102,619.26-141,638.20-60,191.46

Finding the Fourth Proportional to 102,619.26, 141,638.20 and 60,191.46

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Solution

The fourth proportional to 102,619.26, 141,638.20 and 60,191.46 is: 83,078.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,619.26 : 141,638.20 = 60,191.46 : x
  2. Step 2: Convert to fraction form
    102,619.26/141,638.20 = 60,191.46/x
  3. Step 3: Cross multiply
    102,619.26x = 141,638.20 × 60,191.46
  4. Step 4: Simplify right side
    102,619.26x = 8,525,410,049.77
  5. Step 5: Solve for x
    x = 8,525,410,049.77/102,619.26
  6. Step 6: Final answer
    x = 83,078.07

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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.