Home / 199,011.49-274,631.91-108,368.53

Finding the Fourth Proportional to 199,011.49, 274,631.91 and 108,368.53

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Solution

The fourth proportional to 199,011.49, 274,631.91 and 108,368.53 is: 149,546.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,011.49 : 274,631.91 = 108,368.53 : x
  2. Step 2: Convert to fraction form
    199,011.49/274,631.91 = 108,368.53/x
  3. Step 3: Cross multiply
    199,011.49x = 274,631.91 × 108,368.53
  4. Step 4: Simplify right side
    199,011.49x = 29,761,455,284.83
  5. Step 5: Solve for x
    x = 29,761,455,284.83/199,011.49
  6. Step 6: Final answer
    x = 149,546.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.