Home / 154,381.14-231,414.54-70,201.08

Finding the Fourth Proportional to 154,381.14, 231,414.54 and 70,201.08

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Solution

The fourth proportional to 154,381.14, 231,414.54 and 70,201.08 is: 105,230.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,381.14 : 231,414.54 = 70,201.08 : x
  2. Step 2: Convert to fraction form
    154,381.14/231,414.54 = 70,201.08/x
  3. Step 3: Cross multiply
    154,381.14x = 231,414.54 × 70,201.08
  4. Step 4: Simplify right side
    154,381.14x = 16,245,550,635.70
  5. Step 5: Solve for x
    x = 16,245,550,635.70/154,381.14
  6. Step 6: Final answer
    x = 105,230.15

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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.