Home / 143,338.26-215,007.38-49,844

Finding the Fourth Proportional to 143,338.26, 215,007.38 and 49,844

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Solution

The fourth proportional to 143,338.26, 215,007.38 and 49,844 is: 74,766.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,338.26 : 215,007.38 = 49,844 : x
  2. Step 2: Convert to fraction form
    143,338.26/215,007.38 = 49,844/x
  3. Step 3: Cross multiply
    143,338.26x = 215,007.38 × 49,844
  4. Step 4: Simplify right side
    143,338.26x = 10,716,827,848.72
  5. Step 5: Solve for x
    x = 10,716,827,848.72/143,338.26
  6. Step 6: Final answer
    x = 74,766.00

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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.