Home / 127,989.52-192,007.07-43,759.05

Finding the Fourth Proportional to 127,989.52, 192,007.07 and 43,759.05

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Solution

The fourth proportional to 127,989.52, 192,007.07 and 43,759.05 is: 65,646.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,989.52 : 192,007.07 = 43,759.05 : x
  2. Step 2: Convert to fraction form
    127,989.52/192,007.07 = 43,759.05/x
  3. Step 3: Cross multiply
    127,989.52x = 192,007.07 × 43,759.05
  4. Step 4: Simplify right side
    127,989.52x = 8,402,046,976.48
  5. Step 5: Solve for x
    x = 8,402,046,976.48/127,989.52
  6. Step 6: Final answer
    x = 65,646.37

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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.