Home / 220,128.33-303,784.32-124,632.98

Finding the Fourth Proportional to 220,128.33, 303,784.32 and 124,632.98

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Solution

The fourth proportional to 220,128.33, 303,784.32 and 124,632.98 is: 171,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,128.33 : 303,784.32 = 124,632.98 : x
  2. Step 2: Convert to fraction form
    220,128.33/303,784.32 = 124,632.98/x
  3. Step 3: Cross multiply
    220,128.33x = 303,784.32 × 124,632.98
  4. Step 4: Simplify right side
    220,128.33x = 37,861,545,078.87
  5. Step 5: Solve for x
    x = 37,861,545,078.87/220,128.33
  6. Step 6: Final answer
    x = 171,997.60

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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.