Home / 112,759.49-169,016.97-56,463.88

Finding the Fourth Proportional to 112,759.49, 169,016.97 and 56,463.88

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Solution

The fourth proportional to 112,759.49, 169,016.97 and 56,463.88 is: 84,634.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,759.49 : 169,016.97 = 56,463.88 : x
  2. Step 2: Convert to fraction form
    112,759.49/169,016.97 = 56,463.88/x
  3. Step 3: Cross multiply
    112,759.49x = 169,016.97 × 56,463.88
  4. Step 4: Simplify right side
    112,759.49x = 9,543,353,912.04
  5. Step 5: Solve for x
    x = 9,543,353,912.04/112,759.49
  6. Step 6: Final answer
    x = 84,634.60

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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.