Home / 198,925.80-274,509.12-108,281.88

Finding the Fourth Proportional to 198,925.80, 274,509.12 and 108,281.88

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Solution

The fourth proportional to 198,925.80, 274,509.12 and 108,281.88 is: 149,424.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,925.80 : 274,509.12 = 108,281.88 : x
  2. Step 2: Convert to fraction form
    198,925.80/274,509.12 = 108,281.88/x
  3. Step 3: Cross multiply
    198,925.80x = 274,509.12 × 108,281.88
  4. Step 4: Simplify right side
    198,925.80x = 29,724,363,590.75
  5. Step 5: Solve for x
    x = 29,724,363,590.75/198,925.80
  6. Step 6: Final answer
    x = 149,424.38

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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.