Home / 113,112.29-169,668.25-28,872.44

Finding the Fourth Proportional to 113,112.29, 169,668.25 and 28,872.44

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Solution

The fourth proportional to 113,112.29, 169,668.25 and 28,872.44 is: 43,308.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,112.29 : 169,668.25 = 28,872.44 : x
  2. Step 2: Convert to fraction form
    113,112.29/169,668.25 = 28,872.44/x
  3. Step 3: Cross multiply
    113,112.29x = 169,668.25 × 28,872.44
  4. Step 4: Simplify right side
    113,112.29x = 4,898,736,368.03
  5. Step 5: Solve for x
    x = 4,898,736,368.03/113,112.29
  6. Step 6: Final answer
    x = 43,308.61

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1.5x scale

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.