Home / 213,824.80-320,808.46-71,684.13

Finding the Fourth Proportional to 213,824.80, 320,808.46 and 71,684.13

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Solution

The fourth proportional to 213,824.80, 320,808.46 and 71,684.13 is: 107,550.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,824.80 : 320,808.46 = 71,684.13 : x
  2. Step 2: Convert to fraction form
    213,824.80/320,808.46 = 71,684.13/x
  3. Step 3: Cross multiply
    213,824.80x = 320,808.46 × 71,684.13
  4. Step 4: Simplify right side
    213,824.80x = 22,996,875,351.74
  5. Step 5: Solve for x
    x = 22,996,875,351.74/213,824.80
  6. Step 6: Final answer
    x = 107,550.08

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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.