Home / 99,360.80-149,084.40-50,112.80

Finding the Fourth Proportional to 99,360.80, 149,084.40 and 50,112.80

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Solution

The fourth proportional to 99,360.80, 149,084.40 and 50,112.80 is: 75,190.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,360.80 : 149,084.40 = 50,112.80 : x
  2. Step 2: Convert to fraction form
    99,360.80/149,084.40 = 50,112.80/x
  3. Step 3: Cross multiply
    99,360.80x = 149,084.40 × 50,112.80
  4. Step 4: Simplify right side
    99,360.80x = 7,471,036,720.32
  5. Step 5: Solve for x
    x = 7,471,036,720.32/99,360.80
  6. Step 6: Final answer
    x = 75,190.99

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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.