Home / 104,359.88-156,471.78-68,713.36

Finding the Fourth Proportional to 104,359.88, 156,471.78 and 68,713.36

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Solution

The fourth proportional to 104,359.88, 156,471.78 and 68,713.36 is: 103,025.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,359.88 : 156,471.78 = 68,713.36 : x
  2. Step 2: Convert to fraction form
    104,359.88/156,471.78 = 68,713.36/x
  3. Step 3: Cross multiply
    104,359.88x = 156,471.78 × 68,713.36
  4. Step 4: Simplify right side
    104,359.88x = 10,751,701,748.98
  5. Step 5: Solve for x
    x = 10,751,701,748.98/104,359.88
  6. Step 6: Final answer
    x = 103,025.24

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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.