Home / 165,419.40-248,129.10-148,830.60

Finding the Fourth Proportional to 165,419.40, 248,129.10 and 148,830.60

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Solution

The fourth proportional to 165,419.40, 248,129.10 and 148,830.60 is: 223,245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,419.40 : 248,129.10 = 148,830.60 : x
  2. Step 2: Convert to fraction form
    165,419.40/248,129.10 = 148,830.60/x
  3. Step 3: Cross multiply
    165,419.40x = 248,129.10 × 148,830.60
  4. Step 4: Simplify right side
    165,419.40x = 36,929,202,830.46
  5. Step 5: Solve for x
    x = 36,929,202,830.46/165,419.40
  6. Step 6: Final answer
    x = 223,245.90

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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.