Home / 219,636.80-303,104.04-124,143.86

Finding the Fourth Proportional to 219,636.80, 303,104.04 and 124,143.86

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Solution

The fourth proportional to 219,636.80, 303,104.04 and 124,143.86 is: 171,321.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,636.80 : 303,104.04 = 124,143.86 : x
  2. Step 2: Convert to fraction form
    219,636.80/303,104.04 = 124,143.86/x
  3. Step 3: Cross multiply
    219,636.80x = 303,104.04 × 124,143.86
  4. Step 4: Simplify right side
    219,636.80x = 37,628,505,507.19
  5. Step 5: Solve for x
    x = 37,628,505,507.19/219,636.80
  6. Step 6: Final answer
    x = 171,321.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.