Home / 264,658.13-397,002.39-75,103.71

Finding the Fourth Proportional to 264,658.13, 397,002.39 and 75,103.71

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Solution

The fourth proportional to 264,658.13, 397,002.39 and 75,103.71 is: 112,659.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,658.13 : 397,002.39 = 75,103.71 : x
  2. Step 2: Convert to fraction form
    264,658.13/397,002.39 = 75,103.71/x
  3. Step 3: Cross multiply
    264,658.13x = 397,002.39 × 75,103.71
  4. Step 4: Simplify right side
    264,658.13x = 29,816,350,808.70
  5. Step 5: Solve for x
    x = 29,816,350,808.70/264,658.13
  6. Step 6: Final answer
    x = 112,659.87

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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.