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Finding the Fourth Proportional to 177,119.01, 265,736.84 and 71,909.73

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Solution

The fourth proportional to 177,119.01, 265,736.84 and 71,909.73 is: 107,888.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,119.01 : 265,736.84 = 71,909.73 : x
  2. Step 2: Convert to fraction form
    177,119.01/265,736.84 = 71,909.73/x
  3. Step 3: Cross multiply
    177,119.01x = 265,736.84 × 71,909.73
  4. Step 4: Simplify right side
    177,119.01x = 19,109,062,727.22
  5. Step 5: Solve for x
    x = 19,109,062,727.22/177,119.01
  6. Step 6: Final answer
    x = 107,888.27

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1.5x scale

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.