Home / 129,647.50-194,504.04-36,153.28

Finding the Fourth Proportional to 129,647.50, 194,504.04 and 36,153.28

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Solution

The fourth proportional to 129,647.50, 194,504.04 and 36,153.28 is: 54,239.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,647.50 : 194,504.04 = 36,153.28 : x
  2. Step 2: Convert to fraction form
    129,647.50/194,504.04 = 36,153.28/x
  3. Step 3: Cross multiply
    129,647.50x = 194,504.04 × 36,153.28
  4. Step 4: Simplify right side
    129,647.50x = 7,031,959,019.25
  5. Step 5: Solve for x
    x = 7,031,959,019.25/129,647.50
  6. Step 6: Final answer
    x = 54,239.06

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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.