Home / 91,753.20-137,940.84-73,269.36

Finding the Fourth Proportional to 91,753.20, 137,940.84 and 73,269.36

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Solution

The fourth proportional to 91,753.20, 137,940.84 and 73,269.36 is: 110,152.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,753.20 : 137,940.84 = 73,269.36 : x
  2. Step 2: Convert to fraction form
    91,753.20/137,940.84 = 73,269.36/x
  3. Step 3: Cross multiply
    91,753.20x = 137,940.84 × 73,269.36
  4. Step 4: Simplify right side
    91,753.20x = 10,106,837,064.66
  5. Step 5: Solve for x
    x = 10,106,837,064.66/91,753.20
  6. Step 6: Final answer
    x = 110,152.42

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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.