Home / 217,749.20-326,539.56-84,611.93

Finding the Fourth Proportional to 217,749.20, 326,539.56 and 84,611.93

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Solution

The fourth proportional to 217,749.20, 326,539.56 and 84,611.93 is: 126,885.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,749.20 : 326,539.56 = 84,611.93 : x
  2. Step 2: Convert to fraction form
    217,749.20/326,539.56 = 84,611.93/x
  3. Step 3: Cross multiply
    217,749.20x = 326,539.56 × 84,611.93
  4. Step 4: Simplify right side
    217,749.20x = 27,629,142,392.95
  5. Step 5: Solve for x
    x = 27,629,142,392.95/217,749.20
  6. Step 6: Final answer
    x = 126,885.16

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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.