Home / 165,727.60-248,008.20-115,572.40

Finding the Fourth Proportional to 165,727.60, 248,008.20 and 115,572.40

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Solution

The fourth proportional to 165,727.60, 248,008.20 and 115,572.40 is: 172,951.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,727.60 : 248,008.20 = 115,572.40 : x
  2. Step 2: Convert to fraction form
    165,727.60/248,008.20 = 115,572.40/x
  3. Step 3: Cross multiply
    165,727.60x = 248,008.20 × 115,572.40
  4. Step 4: Simplify right side
    165,727.60x = 28,662,902,893.68
  5. Step 5: Solve for x
    x = 28,662,902,893.68/165,727.60
  6. Step 6: Final answer
    x = 172,951.90

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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.