Home / 154,558.28-231,923.54-83,479.48

Finding the Fourth Proportional to 154,558.28, 231,923.54 and 83,479.48

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Solution

The fourth proportional to 154,558.28, 231,923.54 and 83,479.48 is: 125,265.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,558.28 : 231,923.54 = 83,479.48 : x
  2. Step 2: Convert to fraction form
    154,558.28/231,923.54 = 83,479.48/x
  3. Step 3: Cross multiply
    154,558.28x = 231,923.54 × 83,479.48
  4. Step 4: Simplify right side
    154,558.28x = 19,360,856,518.96
  5. Step 5: Solve for x
    x = 19,360,856,518.96/154,558.28
  6. Step 6: Final answer
    x = 125,265.73

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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.