Home / 87,119.76-130,667.34-27,947.73

Finding the Fourth Proportional to 87,119.76, 130,667.34 and 27,947.73

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Solution

The fourth proportional to 87,119.76, 130,667.34 and 27,947.73 is: 41,917.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,119.76 : 130,667.34 = 27,947.73 : x
  2. Step 2: Convert to fraction form
    87,119.76/130,667.34 = 27,947.73/x
  3. Step 3: Cross multiply
    87,119.76x = 130,667.34 × 27,947.73
  4. Step 4: Simplify right side
    87,119.76x = 3,651,855,538.14
  5. Step 5: Solve for x
    x = 3,651,855,538.14/87,119.76
  6. Step 6: Final answer
    x = 41,917.65

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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.