Home / 213,150.29-319,632.41-113,286.47

Finding the Fourth Proportional to 213,150.29, 319,632.41 and 113,286.47

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Solution

The fourth proportional to 213,150.29, 319,632.41 and 113,286.47 is: 169,880.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,150.29 : 319,632.41 = 113,286.47 : x
  2. Step 2: Convert to fraction form
    213,150.29/319,632.41 = 113,286.47/x
  3. Step 3: Cross multiply
    213,150.29x = 319,632.41 × 113,286.47
  4. Step 4: Simplify right side
    213,150.29x = 36,210,026,111.55
  5. Step 5: Solve for x
    x = 36,210,026,111.55/213,150.29
  6. Step 6: Final answer
    x = 169,880.26

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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.