Home / 281,110.35-387,932.76-166,481.47

Finding the Fourth Proportional to 281,110.35, 387,932.76 and 166,481.47

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Solution

The fourth proportional to 281,110.35, 387,932.76 and 166,481.47 is: 229,744.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,110.35 : 387,932.76 = 166,481.47 : x
  2. Step 2: Convert to fraction form
    281,110.35/387,932.76 = 166,481.47/x
  3. Step 3: Cross multiply
    281,110.35x = 387,932.76 × 166,481.47
  4. Step 4: Simplify right side
    281,110.35x = 64,583,613,373.89
  5. Step 5: Solve for x
    x = 64,583,613,373.89/281,110.35
  6. Step 6: Final answer
    x = 229,744.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.