Home / 209,056.68-313,622.82-76,123.53

Finding the Fourth Proportional to 209,056.68, 313,622.82 and 76,123.53

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Solution

The fourth proportional to 209,056.68, 313,622.82 and 76,123.53 is: 114,199.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,056.68 : 313,622.82 = 76,123.53 : x
  2. Step 2: Convert to fraction form
    209,056.68/313,622.82 = 76,123.53/x
  3. Step 3: Cross multiply
    209,056.68x = 313,622.82 × 76,123.53
  4. Step 4: Simplify right side
    209,056.68x = 23,874,076,146.95
  5. Step 5: Solve for x
    x = 23,874,076,146.95/209,056.68
  6. Step 6: Final answer
    x = 114,199.06

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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.