Home / 109,725.60-164,588.40-108,559.20

Finding the Fourth Proportional to 109,725.60, 164,588.40 and 108,559.20

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Solution

The fourth proportional to 109,725.60, 164,588.40 and 108,559.20 is: 162,838.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,725.60 : 164,588.40 = 108,559.20 : x
  2. Step 2: Convert to fraction form
    109,725.60/164,588.40 = 108,559.20/x
  3. Step 3: Cross multiply
    109,725.60x = 164,588.40 × 108,559.20
  4. Step 4: Simplify right side
    109,725.60x = 17,867,585,033.28
  5. Step 5: Solve for x
    x = 17,867,585,033.28/109,725.60
  6. Step 6: Final answer
    x = 162,838.80

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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.