Home / 129,611.72-194,135.70-62,911.46

Finding the Fourth Proportional to 129,611.72, 194,135.70 and 62,911.46

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Solution

The fourth proportional to 129,611.72, 194,135.70 and 62,911.46 is: 94,230.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,611.72 : 194,135.70 = 62,911.46 : x
  2. Step 2: Convert to fraction form
    129,611.72/194,135.70 = 62,911.46/x
  3. Step 3: Cross multiply
    129,611.72x = 194,135.70 × 62,911.46
  4. Step 4: Simplify right side
    129,611.72x = 12,213,360,325.12
  5. Step 5: Solve for x
    x = 12,213,360,325.12/129,611.72
  6. Step 6: Final answer
    x = 94,230.37

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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.