Home / 199,154.80-274,830.17-108,511.51

Finding the Fourth Proportional to 199,154.80, 274,830.17 and 108,511.51

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Solution

The fourth proportional to 199,154.80, 274,830.17 and 108,511.51 is: 149,744.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,154.80 : 274,830.17 = 108,511.51 : x
  2. Step 2: Convert to fraction form
    199,154.80/274,830.17 = 108,511.51/x
  3. Step 3: Cross multiply
    199,154.80x = 274,830.17 × 108,511.51
  4. Step 4: Simplify right side
    199,154.80x = 29,822,236,740.26
  5. Step 5: Solve for x
    x = 29,822,236,740.26/199,154.80
  6. Step 6: Final answer
    x = 149,744.00

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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.