Home / 165,734.40-248,601.60-102,748.80

Finding the Fourth Proportional to 165,734.40, 248,601.60 and 102,748.80

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Solution

The fourth proportional to 165,734.40, 248,601.60 and 102,748.80 is: 154,123.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,734.40 : 248,601.60 = 102,748.80 : x
  2. Step 2: Convert to fraction form
    165,734.40/248,601.60 = 102,748.80/x
  3. Step 3: Cross multiply
    165,734.40x = 248,601.60 × 102,748.80
  4. Step 4: Simplify right side
    165,734.40x = 25,543,516,078.08
  5. Step 5: Solve for x
    x = 25,543,516,078.08/165,734.40
  6. Step 6: Final answer
    x = 154,123.20

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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.