Home / 132,867.90-199,267.79-39,351.78

Finding the Fourth Proportional to 132,867.90, 199,267.79 and 39,351.78

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Solution

The fourth proportional to 132,867.90, 199,267.79 and 39,351.78 is: 59,017.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,867.90 : 199,267.79 = 39,351.78 : x
  2. Step 2: Convert to fraction form
    132,867.90/199,267.79 = 39,351.78/x
  3. Step 3: Cross multiply
    132,867.90x = 199,267.79 × 39,351.78
  4. Step 4: Simplify right side
    132,867.90x = 7,841,542,036.41
  5. Step 5: Solve for x
    x = 7,841,542,036.41/132,867.90
  6. Step 6: Final answer
    x = 59,017.58

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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.