Home / 112,910.63-169,366.02-28,677.11

Finding the Fourth Proportional to 112,910.63, 169,366.02 and 28,677.11

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Solution

The fourth proportional to 112,910.63, 169,366.02 and 28,677.11 is: 43,015.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,910.63 : 169,366.02 = 28,677.11 : x
  2. Step 2: Convert to fraction form
    112,910.63/169,366.02 = 28,677.11/x
  3. Step 3: Cross multiply
    112,910.63x = 169,366.02 × 28,677.11
  4. Step 4: Simplify right side
    112,910.63x = 4,856,927,348.99
  5. Step 5: Solve for x
    x = 4,856,927,348.99/112,910.63
  6. Step 6: Final answer
    x = 43,015.68

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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.