Home / 132,435.32-198,648.59-57,555.54

Finding the Fourth Proportional to 132,435.32, 198,648.59 and 57,555.54

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Solution

The fourth proportional to 132,435.32, 198,648.59 and 57,555.54 is: 86,331.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,435.32 : 198,648.59 = 57,555.54 : x
  2. Step 2: Convert to fraction form
    132,435.32/198,648.59 = 57,555.54/x
  3. Step 3: Cross multiply
    132,435.32x = 198,648.59 × 57,555.54
  4. Step 4: Simplify right side
    132,435.32x = 11,433,326,579.91
  5. Step 5: Solve for x
    x = 11,433,326,579.91/132,435.32
  6. Step 6: Final answer
    x = 86,331.40

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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.