Home / 104,604.21-144,354.15-56,857.75

Finding the Fourth Proportional to 104,604.21, 144,354.15 and 56,857.75

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Solution

The fourth proportional to 104,604.21, 144,354.15 and 56,857.75 is: 78,463.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,604.21 : 144,354.15 = 56,857.75 : x
  2. Step 2: Convert to fraction form
    104,604.21/144,354.15 = 56,857.75/x
  3. Step 3: Cross multiply
    104,604.21x = 144,354.15 × 56,857.75
  4. Step 4: Simplify right side
    104,604.21x = 8,207,651,811.28
  5. Step 5: Solve for x
    x = 8,207,651,811.28/104,604.21
  6. Step 6: Final answer
    x = 78,463.88

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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.