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Finding the Fourth Proportional to 170,582.82, 255,341.76 and 125,654.83

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Solution

The fourth proportional to 170,582.82, 255,341.76 and 125,654.83 is: 188,090.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,582.82 : 255,341.76 = 125,654.83 : x
  2. Step 2: Convert to fraction form
    170,582.82/255,341.76 = 125,654.83/x
  3. Step 3: Cross multiply
    170,582.82x = 255,341.76 × 125,654.83
  4. Step 4: Simplify right side
    170,582.82x = 32,084,924,167.99
  5. Step 5: Solve for x
    x = 32,084,924,167.99/170,582.82
  6. Step 6: Final answer
    x = 188,090.01

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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.