Home / 117,668.88-176,499-28,922.64

Finding the Fourth Proportional to 117,668.88, 176,499 and 28,922.64

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Solution

The fourth proportional to 117,668.88, 176,499 and 28,922.64 is: 43,382.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,668.88 : 176,499 = 28,922.64 : x
  2. Step 2: Convert to fraction form
    117,668.88/176,499 = 28,922.64/x
  3. Step 3: Cross multiply
    117,668.88x = 176,499 × 28,922.64
  4. Step 4: Simplify right side
    117,668.88x = 5,104,817,037.36
  5. Step 5: Solve for x
    x = 5,104,817,037.36/117,668.88
  6. Step 6: Final answer
    x = 43,382.90

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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.