Home / 126,296.52-188,409.57-122,864.28

Finding the Fourth Proportional to 126,296.52, 188,409.57 and 122,864.28

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Solution

The fourth proportional to 126,296.52, 188,409.57 and 122,864.28 is: 183,289.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,296.52 : 188,409.57 = 122,864.28 : x
  2. Step 2: Convert to fraction form
    126,296.52/188,409.57 = 122,864.28/x
  3. Step 3: Cross multiply
    126,296.52x = 188,409.57 × 122,864.28
  4. Step 4: Simplify right side
    126,296.52x = 23,148,806,163.16
  5. Step 5: Solve for x
    x = 23,148,806,163.16/126,296.52
  6. Step 6: Final answer
    x = 183,289.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.