Home / 129,724.80-194,571.09-34,962.40

Finding the Fourth Proportional to 129,724.80, 194,571.09 and 34,962.40

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Solution

The fourth proportional to 129,724.80, 194,571.09 and 34,962.40 is: 52,439.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,724.80 : 194,571.09 = 34,962.40 : x
  2. Step 2: Convert to fraction form
    129,724.80/194,571.09 = 34,962.40/x
  3. Step 3: Cross multiply
    129,724.80x = 194,571.09 × 34,962.40
  4. Step 4: Simplify right side
    129,724.80x = 6,802,672,277.02
  5. Step 5: Solve for x
    x = 6,802,672,277.02/129,724.80
  6. Step 6: Final answer
    x = 52,439.26

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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.