Home / 213,387.36-320,077.82-63,628.29

Finding the Fourth Proportional to 213,387.36, 320,077.82 and 63,628.29

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Solution

The fourth proportional to 213,387.36, 320,077.82 and 63,628.29 is: 95,441.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,387.36 : 320,077.82 = 63,628.29 : x
  2. Step 2: Convert to fraction form
    213,387.36/320,077.82 = 63,628.29/x
  3. Step 3: Cross multiply
    213,387.36x = 320,077.82 × 63,628.29
  4. Step 4: Simplify right side
    213,387.36x = 20,366,004,035.39
  5. Step 5: Solve for x
    x = 20,366,004,035.39/213,387.36
  6. Step 6: Final answer
    x = 95,441.47

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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.