Home / 148,942.89-205,545.18-80,964.44

Finding the Fourth Proportional to 148,942.89, 205,545.18 and 80,964.44

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Solution

The fourth proportional to 148,942.89, 205,545.18 and 80,964.44 is: 111,733.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,942.89 : 205,545.18 = 80,964.44 : x
  2. Step 2: Convert to fraction form
    148,942.89/205,545.18 = 80,964.44/x
  3. Step 3: Cross multiply
    148,942.89x = 205,545.18 × 80,964.44
  4. Step 4: Simplify right side
    148,942.89x = 16,641,849,365.67
  5. Step 5: Solve for x
    x = 16,641,849,365.67/148,942.89
  6. Step 6: Final answer
    x = 111,733.09

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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.