Home / 131,874.70-197,812.05-43,106.80

Finding the Fourth Proportional to 131,874.70, 197,812.05 and 43,106.80

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Solution

The fourth proportional to 131,874.70, 197,812.05 and 43,106.80 is: 64,660.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,874.70 : 197,812.05 = 43,106.80 : x
  2. Step 2: Convert to fraction form
    131,874.70/197,812.05 = 43,106.80/x
  3. Step 3: Cross multiply
    131,874.70x = 197,812.05 × 43,106.80
  4. Step 4: Simplify right side
    131,874.70x = 8,527,044,476.94
  5. Step 5: Solve for x
    x = 8,527,044,476.94/131,874.70
  6. Step 6: Final answer
    x = 64,660.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.