Home / 148,116.89-204,400.75-80,133.65

Finding the Fourth Proportional to 148,116.89, 204,400.75 and 80,133.65

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Solution

The fourth proportional to 148,116.89, 204,400.75 and 80,133.65 is: 110,584.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,116.89 : 204,400.75 = 80,133.65 : x
  2. Step 2: Convert to fraction form
    148,116.89/204,400.75 = 80,133.65/x
  3. Step 3: Cross multiply
    148,116.89x = 204,400.75 × 80,133.65
  4. Step 4: Simplify right side
    148,116.89x = 16,379,376,737.57
  5. Step 5: Solve for x
    x = 16,379,376,737.57/148,116.89
  6. Step 6: Final answer
    x = 110,584.13

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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.