Home / 129,223.62-193,835.50-49,242.94

Finding the Fourth Proportional to 129,223.62, 193,835.50 and 49,242.94

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Solution

The fourth proportional to 129,223.62, 193,835.50 and 49,242.94 is: 73,864.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,223.62 : 193,835.50 = 49,242.94 : x
  2. Step 2: Convert to fraction form
    129,223.62/193,835.50 = 49,242.94/x
  3. Step 3: Cross multiply
    129,223.62x = 193,835.50 × 49,242.94
  4. Step 4: Simplify right side
    129,223.62x = 9,545,029,288.67
  5. Step 5: Solve for x
    x = 9,545,029,288.67/129,223.62
  6. Step 6: Final answer
    x = 73,864.43

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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.