Home / 154,007.40-230,816.70-112,405.80

Finding the Fourth Proportional to 154,007.40, 230,816.70 and 112,405.80

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Solution

The fourth proportional to 154,007.40, 230,816.70 and 112,405.80 is: 168,466.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,007.40 : 230,816.70 = 112,405.80 : x
  2. Step 2: Convert to fraction form
    154,007.40/230,816.70 = 112,405.80/x
  3. Step 3: Cross multiply
    154,007.40x = 230,816.70 × 112,405.80
  4. Step 4: Simplify right side
    154,007.40x = 25,945,135,816.86
  5. Step 5: Solve for x
    x = 25,945,135,816.86/154,007.40
  6. Step 6: Final answer
    x = 168,466.81

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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.