Home / 109,844.20-164,766.30-39,725.80

Finding the Fourth Proportional to 109,844.20, 164,766.30 and 39,725.80

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Solution

The fourth proportional to 109,844.20, 164,766.30 and 39,725.80 is: 59,588.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,844.20 : 164,766.30 = 39,725.80 : x
  2. Step 2: Convert to fraction form
    109,844.20/164,766.30 = 39,725.80/x
  3. Step 3: Cross multiply
    109,844.20x = 164,766.30 × 39,725.80
  4. Step 4: Simplify right side
    109,844.20x = 6,545,473,080.54
  5. Step 5: Solve for x
    x = 6,545,473,080.54/109,844.20
  6. Step 6: Final answer
    x = 59,588.70

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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.