Home / 215,945.73-297,939.06-125,270.28

Finding the Fourth Proportional to 215,945.73, 297,939.06 and 125,270.28

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Solution

The fourth proportional to 215,945.73, 297,939.06 and 125,270.28 is: 172,834.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,945.73 : 297,939.06 = 125,270.28 : x
  2. Step 2: Convert to fraction form
    215,945.73/297,939.06 = 125,270.28/x
  3. Step 3: Cross multiply
    215,945.73x = 297,939.06 × 125,270.28
  4. Step 4: Simplify right side
    215,945.73x = 37,322,909,469.14
  5. Step 5: Solve for x
    x = 37,322,909,469.14/215,945.73
  6. Step 6: Final answer
    x = 172,834.67

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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.