Home / 132,439.32-198,654.58-57,559.54

Finding the Fourth Proportional to 132,439.32, 198,654.58 and 57,559.54

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Solution

The fourth proportional to 132,439.32, 198,654.58 and 57,559.54 is: 86,337.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,439.32 : 198,654.58 = 57,559.54 : x
  2. Step 2: Convert to fraction form
    132,439.32/198,654.58 = 57,559.54/x
  3. Step 3: Cross multiply
    132,439.32x = 198,654.58 × 57,559.54
  4. Step 4: Simplify right side
    132,439.32x = 11,434,466,243.69
  5. Step 5: Solve for x
    x = 11,434,466,243.69/132,439.32
  6. Step 6: Final answer
    x = 86,337.40

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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.