Home / 129,981.24-194,999.40-41,223.06

Finding the Fourth Proportional to 129,981.24, 194,999.40 and 41,223.06

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Solution

The fourth proportional to 129,981.24, 194,999.40 and 41,223.06 is: 61,843.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,981.24 : 194,999.40 = 41,223.06 : x
  2. Step 2: Convert to fraction form
    129,981.24/194,999.40 = 41,223.06/x
  3. Step 3: Cross multiply
    129,981.24x = 194,999.40 × 41,223.06
  4. Step 4: Simplify right side
    129,981.24x = 8,038,471,966.16
  5. Step 5: Solve for x
    x = 8,038,471,966.16/129,981.24
  6. Step 6: Final answer
    x = 61,843.32

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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.