Home / 213,426.22-320,135.67-63,666.94

Finding the Fourth Proportional to 213,426.22, 320,135.67 and 63,666.94

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Solution

The fourth proportional to 213,426.22, 320,135.67 and 63,666.94 is: 95,499.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,426.22 : 320,135.67 = 63,666.94 : x
  2. Step 2: Convert to fraction form
    213,426.22/320,135.67 = 63,666.94/x
  3. Step 3: Cross multiply
    213,426.22x = 320,135.67 × 63,666.94
  4. Step 4: Simplify right side
    213,426.22x = 20,382,056,893.07
  5. Step 5: Solve for x
    x = 20,382,056,893.07/213,426.22
  6. Step 6: Final answer
    x = 95,499.31

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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.