Home / 75,437.94-113,178.11-22,131.20

Finding the Fourth Proportional to 75,437.94, 113,178.11 and 22,131.20

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Solution

The fourth proportional to 75,437.94, 113,178.11 and 22,131.20 is: 33,203.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,437.94 : 113,178.11 = 22,131.20 : x
  2. Step 2: Convert to fraction form
    75,437.94/113,178.11 = 22,131.20/x
  3. Step 3: Cross multiply
    75,437.94x = 113,178.11 × 22,131.20
  4. Step 4: Simplify right side
    75,437.94x = 2,504,766,711.49
  5. Step 5: Solve for x
    x = 2,504,766,711.49/75,437.94
  6. Step 6: Final answer
    x = 33,203.01

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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.