Home / 129,999.24-194,855.74-85,002.04

Finding the Fourth Proportional to 129,999.24, 194,855.74 and 85,002.04

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Solution

The fourth proportional to 129,999.24, 194,855.74 and 85,002.04 is: 127,409.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,999.24 : 194,855.74 = 85,002.04 : x
  2. Step 2: Convert to fraction form
    129,999.24/194,855.74 = 85,002.04/x
  3. Step 3: Cross multiply
    129,999.24x = 194,855.74 × 85,002.04
  4. Step 4: Simplify right side
    129,999.24x = 16,563,134,706.07
  5. Step 5: Solve for x
    x = 16,563,134,706.07/129,999.24
  6. Step 6: Final answer
    x = 127,409.48

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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.