Home / 154,285.96-231,383.56-65,538.76

Finding the Fourth Proportional to 154,285.96, 231,383.56 and 65,538.76

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Solution

The fourth proportional to 154,285.96, 231,383.56 and 65,538.76 is: 98,288.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,285.96 : 231,383.56 = 65,538.76 : x
  2. Step 2: Convert to fraction form
    154,285.96/231,383.56 = 65,538.76/x
  3. Step 3: Cross multiply
    154,285.96x = 231,383.56 × 65,538.76
  4. Step 4: Simplify right side
    154,285.96x = 15,164,591,606.79
  5. Step 5: Solve for x
    x = 15,164,591,606.79/154,285.96
  6. Step 6: Final answer
    x = 98,288.86

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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.