Home / 216,104.04-324,204.21-66,357.36

Finding the Fourth Proportional to 216,104.04, 324,204.21 and 66,357.36

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Solution

The fourth proportional to 216,104.04, 324,204.21 and 66,357.36 is: 99,550.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,104.04 : 324,204.21 = 66,357.36 : x
  2. Step 2: Convert to fraction form
    216,104.04/324,204.21 = 66,357.36/x
  3. Step 3: Cross multiply
    216,104.04x = 324,204.21 × 66,357.36
  4. Step 4: Simplify right side
    216,104.04x = 21,513,335,476.49
  5. Step 5: Solve for x
    x = 21,513,335,476.49/216,104.04
  6. Step 6: Final answer
    x = 99,550.83

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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.