Home / 112,731.03-169,016.44-56,530.59

Finding the Fourth Proportional to 112,731.03, 169,016.44 and 56,530.59

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Solution

The fourth proportional to 112,731.03, 169,016.44 and 56,530.59 is: 84,755.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,731.03 : 169,016.44 = 56,530.59 : x
  2. Step 2: Convert to fraction form
    112,731.03/169,016.44 = 56,530.59/x
  3. Step 3: Cross multiply
    112,731.03x = 169,016.44 × 56,530.59
  4. Step 4: Simplify right side
    112,731.03x = 9,554,599,072.90
  5. Step 5: Solve for x
    x = 9,554,599,072.90/112,731.03
  6. Step 6: Final answer
    x = 84,755.72

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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.