Home / 154,105.70-231,331.35-119,200.10

Finding the Fourth Proportional to 154,105.70, 231,331.35 and 119,200.10

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Solution

The fourth proportional to 154,105.70, 231,331.35 and 119,200.10 is: 178,933.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,105.70 : 231,331.35 = 119,200.10 : x
  2. Step 2: Convert to fraction form
    154,105.70/231,331.35 = 119,200.10/x
  3. Step 3: Cross multiply
    154,105.70x = 231,331.35 × 119,200.10
  4. Step 4: Simplify right side
    154,105.70x = 27,574,720,053.14
  5. Step 5: Solve for x
    x = 27,574,720,053.14/154,105.70
  6. Step 6: Final answer
    x = 178,933.81

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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.