Home / 199,068.28-274,717.50-108,426

Finding the Fourth Proportional to 199,068.28, 274,717.50 and 108,426

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Solution

The fourth proportional to 199,068.28, 274,717.50 and 108,426 is: 149,629.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,068.28 : 274,717.50 = 108,426 : x
  2. Step 2: Convert to fraction form
    199,068.28/274,717.50 = 108,426/x
  3. Step 3: Cross multiply
    199,068.28x = 274,717.50 × 108,426
  4. Step 4: Simplify right side
    199,068.28x = 29,786,519,655
  5. Step 5: Solve for x
    x = 29,786,519,655/199,068.28
  6. Step 6: Final answer
    x = 149,629.66

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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.