Home / 90,908.28-125,453.40-53,189.82

Finding the Fourth Proportional to 90,908.28, 125,453.40 and 53,189.82

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Solution

The fourth proportional to 90,908.28, 125,453.40 and 53,189.82 is: 73,401.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,908.28 : 125,453.40 = 53,189.82 : x
  2. Step 2: Convert to fraction form
    90,908.28/125,453.40 = 53,189.82/x
  3. Step 3: Cross multiply
    90,908.28x = 125,453.40 × 53,189.82
  4. Step 4: Simplify right side
    90,908.28x = 6,672,843,764.39
  5. Step 5: Solve for x
    x = 6,672,843,764.39/90,908.28
  6. Step 6: Final answer
    x = 73,401.94

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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.