Home / 148,929.13-205,524.28-80,946.09

Finding the Fourth Proportional to 148,929.13, 205,524.28 and 80,946.09

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Solution

The fourth proportional to 148,929.13, 205,524.28 and 80,946.09 is: 111,706.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,929.13 : 205,524.28 = 80,946.09 : x
  2. Step 2: Convert to fraction form
    148,929.13/205,524.28 = 80,946.09/x
  3. Step 3: Cross multiply
    148,929.13x = 205,524.28 × 80,946.09
  4. Step 4: Simplify right side
    148,929.13x = 16,636,385,838.44
  5. Step 5: Solve for x
    x = 16,636,385,838.44/148,929.13
  6. Step 6: Final answer
    x = 111,706.73

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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.