Home / 199,154.24-274,829.64-108,511.40

Finding the Fourth Proportional to 199,154.24, 274,829.64 and 108,511.40

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Solution

The fourth proportional to 199,154.24, 274,829.64 and 108,511.40 is: 149,743.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,154.24 : 274,829.64 = 108,511.40 : x
  2. Step 2: Convert to fraction form
    199,154.24/274,829.64 = 108,511.40/x
  3. Step 3: Cross multiply
    199,154.24x = 274,829.64 × 108,511.40
  4. Step 4: Simplify right side
    199,154.24x = 29,822,148,997.90
  5. Step 5: Solve for x
    x = 29,822,148,997.90/199,154.24
  6. Step 6: Final answer
    x = 149,743.98

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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.