Home / 129,944.81-194,985.53-92,237.42

Finding the Fourth Proportional to 129,944.81, 194,985.53 and 92,237.42

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Solution

The fourth proportional to 129,944.81, 194,985.53 and 92,237.42 is: 138,404.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,944.81 : 194,985.53 = 92,237.42 : x
  2. Step 2: Convert to fraction form
    129,944.81/194,985.53 = 92,237.42/x
  3. Step 3: Cross multiply
    129,944.81x = 194,985.53 × 92,237.42
  4. Step 4: Simplify right side
    129,944.81x = 17,984,962,224.53
  5. Step 5: Solve for x
    x = 17,984,962,224.53/129,944.81
  6. Step 6: Final answer
    x = 138,404.62

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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.