Home / 133,077.25-199,647.33-43,119.81

Finding the Fourth Proportional to 133,077.25, 199,647.33 and 43,119.81

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Solution

The fourth proportional to 133,077.25, 199,647.33 and 43,119.81 is: 64,689.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,077.25 : 199,647.33 = 43,119.81 : x
  2. Step 2: Convert to fraction form
    133,077.25/199,647.33 = 43,119.81/x
  3. Step 3: Cross multiply
    133,077.25x = 199,647.33 × 43,119.81
  4. Step 4: Simplify right side
    133,077.25x = 8,608,754,936.61
  5. Step 5: Solve for x
    x = 8,608,754,936.61/133,077.25
  6. Step 6: Final answer
    x = 64,689.91

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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.