Home / 132,877.60-199,370.16-53,971.36

Finding the Fourth Proportional to 132,877.60, 199,370.16 and 53,971.36

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Solution

The fourth proportional to 132,877.60, 199,370.16 and 53,971.36 is: 80,978.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,877.60 : 199,370.16 = 53,971.36 : x
  2. Step 2: Convert to fraction form
    132,877.60/199,370.16 = 53,971.36/x
  3. Step 3: Cross multiply
    132,877.60x = 199,370.16 × 53,971.36
  4. Step 4: Simplify right side
    132,877.60x = 10,760,278,678.62
  5. Step 5: Solve for x
    x = 10,760,278,678.62/132,877.60
  6. Step 6: Final answer
    x = 80,978.88

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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.