Home / 213,112.17-319,400.96-113,025.33

Finding the Fourth Proportional to 213,112.17, 319,400.96 and 113,025.33

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Solution

The fourth proportional to 213,112.17, 319,400.96 and 113,025.33 is: 169,396.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,112.17 : 319,400.96 = 113,025.33 : x
  2. Step 2: Convert to fraction form
    213,112.17/319,400.96 = 113,025.33/x
  3. Step 3: Cross multiply
    213,112.17x = 319,400.96 × 113,025.33
  4. Step 4: Simplify right side
    213,112.17x = 36,100,398,341.19
  5. Step 5: Solve for x
    x = 36,100,398,341.19/213,112.17
  6. Step 6: Final answer
    x = 169,396.23

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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.