Home / 140,630.82-194,070.60-76,968.96

Finding the Fourth Proportional to 140,630.82, 194,070.60 and 76,968.96

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Solution

The fourth proportional to 140,630.82, 194,070.60 and 76,968.96 is: 106,217.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,630.82 : 194,070.60 = 76,968.96 : x
  2. Step 2: Convert to fraction form
    140,630.82/194,070.60 = 76,968.96/x
  3. Step 3: Cross multiply
    140,630.82x = 194,070.60 × 76,968.96
  4. Step 4: Simplify right side
    140,630.82x = 14,937,412,248.58
  5. Step 5: Solve for x
    x = 14,937,412,248.58/140,630.82
  6. Step 6: Final answer
    x = 106,217.20

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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.