Home / 143,340.25-215,010.39-49,846

Finding the Fourth Proportional to 143,340.25, 215,010.39 and 49,846

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Solution

The fourth proportional to 143,340.25, 215,010.39 and 49,846 is: 74,769.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,340.25 : 215,010.39 = 49,846 : x
  2. Step 2: Convert to fraction form
    143,340.25/215,010.39 = 49,846/x
  3. Step 3: Cross multiply
    143,340.25x = 215,010.39 × 49,846
  4. Step 4: Simplify right side
    143,340.25x = 10,717,407,899.94
  5. Step 5: Solve for x
    x = 10,717,407,899.94/143,340.25
  6. Step 6: Final answer
    x = 74,769.01

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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.