Home / 134,100.41-200,914.16-70,781.04

Finding the Fourth Proportional to 134,100.41, 200,914.16 and 70,781.04

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Solution

The fourth proportional to 134,100.41, 200,914.16 and 70,781.04 is: 106,046.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,100.41 : 200,914.16 = 70,781.04 : x
  2. Step 2: Convert to fraction form
    134,100.41/200,914.16 = 70,781.04/x
  3. Step 3: Cross multiply
    134,100.41x = 200,914.16 × 70,781.04
  4. Step 4: Simplify right side
    134,100.41x = 14,220,912,841.62
  5. Step 5: Solve for x
    x = 14,220,912,841.62/134,100.41
  6. Step 6: Final answer
    x = 106,046.76

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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.