Home / 154,544.40-231,970.20-75,747.60

Finding the Fourth Proportional to 154,544.40, 231,970.20 and 75,747.60

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Solution

The fourth proportional to 154,544.40, 231,970.20 and 75,747.60 is: 113,696.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,544.40 : 231,970.20 = 75,747.60 : x
  2. Step 2: Convert to fraction form
    154,544.40/231,970.20 = 75,747.60/x
  3. Step 3: Cross multiply
    154,544.40x = 231,970.20 × 75,747.60
  4. Step 4: Simplify right side
    154,544.40x = 17,571,185,921.52
  5. Step 5: Solve for x
    x = 17,571,185,921.52/154,544.40
  6. Step 6: Final answer
    x = 113,696.68

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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.