Home / 104,517.82-144,232.20-56,770.12

Finding the Fourth Proportional to 104,517.82, 144,232.20 and 56,770.12

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Solution

The fourth proportional to 104,517.82, 144,232.20 and 56,770.12 is: 78,341.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,517.82 : 144,232.20 = 56,770.12 : x
  2. Step 2: Convert to fraction form
    104,517.82/144,232.20 = 56,770.12/x
  3. Step 3: Cross multiply
    104,517.82x = 144,232.20 × 56,770.12
  4. Step 4: Simplify right side
    104,517.82x = 8,188,079,301.86
  5. Step 5: Solve for x
    x = 8,188,079,301.86/104,517.82
  6. Step 6: Final answer
    x = 78,341.47

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1.5x scale

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.