Home / 85,298.28-127,794.20-50,218.80

Finding the Fourth Proportional to 85,298.28, 127,794.20 and 50,218.80

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Solution

The fourth proportional to 85,298.28, 127,794.20 and 50,218.80 is: 75,237.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,298.28 : 127,794.20 = 50,218.80 : x
  2. Step 2: Convert to fraction form
    85,298.28/127,794.20 = 50,218.80/x
  3. Step 3: Cross multiply
    85,298.28x = 127,794.20 × 50,218.80
  4. Step 4: Simplify right side
    85,298.28x = 6,417,671,119.87
  5. Step 5: Solve for x
    x = 6,417,671,119.87/85,298.28
  6. Step 6: Final answer
    x = 75,237.99

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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.