Home / 199,215.61-274,909.52-108,569.65

Finding the Fourth Proportional to 199,215.61, 274,909.52 and 108,569.65

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Solution

The fourth proportional to 199,215.61, 274,909.52 and 108,569.65 is: 149,821.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,215.61 : 274,909.52 = 108,569.65 : x
  2. Step 2: Convert to fraction form
    199,215.61/274,909.52 = 108,569.65/x
  3. Step 3: Cross multiply
    199,215.61x = 274,909.52 × 108,569.65
  4. Step 4: Simplify right side
    199,215.61x = 29,846,829,825.22
  5. Step 5: Solve for x
    x = 29,846,829,825.22/199,215.61
  6. Step 6: Final answer
    x = 149,821.74

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1.5x scale

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.