Home / 199,178.04-274,862.19-108,534.66

Finding the Fourth Proportional to 199,178.04, 274,862.19 and 108,534.66

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Solution

The fourth proportional to 199,178.04, 274,862.19 and 108,534.66 is: 149,775.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,178.04 : 274,862.19 = 108,534.66 : x
  2. Step 2: Convert to fraction form
    199,178.04/274,862.19 = 108,534.66/x
  3. Step 3: Cross multiply
    199,178.04x = 274,862.19 × 108,534.66
  4. Step 4: Simplify right side
    199,178.04x = 29,832,074,338.51
  5. Step 5: Solve for x
    x = 29,832,074,338.51/199,178.04
  6. Step 6: Final answer
    x = 149,775.92

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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.