Home / 129,941.28-194,922-41,199.84

Finding the Fourth Proportional to 129,941.28, 194,922 and 41,199.84

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Solution

The fourth proportional to 129,941.28, 194,922 and 41,199.84 is: 61,802.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,941.28 : 194,922 = 41,199.84 : x
  2. Step 2: Convert to fraction form
    129,941.28/194,922 = 41,199.84/x
  3. Step 3: Cross multiply
    129,941.28x = 194,922 × 41,199.84
  4. Step 4: Simplify right side
    129,941.28x = 8,030,755,212.48
  5. Step 5: Solve for x
    x = 8,030,755,212.48/129,941.28
  6. Step 6: Final answer
    x = 61,802.96

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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.