Home / 129,372.14-194,066.40-40,629.14

Finding the Fourth Proportional to 129,372.14, 194,066.40 and 40,629.14

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Solution

The fourth proportional to 129,372.14, 194,066.40 and 40,629.14 is: 60,946.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,372.14 : 194,066.40 = 40,629.14 : x
  2. Step 2: Convert to fraction form
    129,372.14/194,066.40 = 40,629.14/x
  3. Step 3: Cross multiply
    129,372.14x = 194,066.40 × 40,629.14
  4. Step 4: Simplify right side
    129,372.14x = 7,884,750,934.90
  5. Step 5: Solve for x
    x = 7,884,750,934.90/129,372.14
  6. Step 6: Final answer
    x = 60,946.28

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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.