Home / 91,530.28-137,315.49-27,485.60

Finding the Fourth Proportional to 91,530.28, 137,315.49 and 27,485.60

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Solution

The fourth proportional to 91,530.28, 137,315.49 and 27,485.60 is: 41,234.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,530.28 : 137,315.49 = 27,485.60 : x
  2. Step 2: Convert to fraction form
    91,530.28/137,315.49 = 27,485.60/x
  3. Step 3: Cross multiply
    91,530.28x = 137,315.49 × 27,485.60
  4. Step 4: Simplify right side
    91,530.28x = 3,774,198,631.94
  5. Step 5: Solve for x
    x = 3,774,198,631.94/91,530.28
  6. Step 6: Final answer
    x = 41,234.43

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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.