Home / 155,921.82-215,227.41-92,259.48

Finding the Fourth Proportional to 155,921.82, 215,227.41 and 92,259.48

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Solution

The fourth proportional to 155,921.82, 215,227.41 and 92,259.48 is: 127,350.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,921.82 : 215,227.41 = 92,259.48 : x
  2. Step 2: Convert to fraction form
    155,921.82/215,227.41 = 92,259.48/x
  3. Step 3: Cross multiply
    155,921.82x = 215,227.41 × 92,259.48
  4. Step 4: Simplify right side
    155,921.82x = 19,856,768,928.35
  5. Step 5: Solve for x
    x = 19,856,768,928.35/155,921.82
  6. Step 6: Final answer
    x = 127,350.80

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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.