Home / 132,914.52-199,382.58-39,420

Finding the Fourth Proportional to 132,914.52, 199,382.58 and 39,420

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Solution

The fourth proportional to 132,914.52, 199,382.58 and 39,420 is: 59,133.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,914.52 : 199,382.58 = 39,420 : x
  2. Step 2: Convert to fraction form
    132,914.52/199,382.58 = 39,420/x
  3. Step 3: Cross multiply
    132,914.52x = 199,382.58 × 39,420
  4. Step 4: Simplify right side
    132,914.52x = 7,859,661,303.60
  5. Step 5: Solve for x
    x = 7,859,661,303.60/132,914.52
  6. Step 6: Final answer
    x = 59,133.20

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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.