Home / 199,020-274,643.66-108,377.04

Finding the Fourth Proportional to 199,020, 274,643.66 and 108,377.04

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Solution

The fourth proportional to 199,020, 274,643.66 and 108,377.04 is: 149,558.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,020 : 274,643.66 = 108,377.04 : x
  2. Step 2: Convert to fraction form
    199,020/274,643.66 = 108,377.04/x
  3. Step 3: Cross multiply
    199,020x = 274,643.66 × 108,377.04
  4. Step 4: Simplify right side
    199,020x = 29,765,066,925.57
  5. Step 5: Solve for x
    x = 29,765,066,925.57/199,020
  6. Step 6: Final answer
    x = 149,558.17

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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.