Home / 152,429.20-228,773.40-68,318.80

Finding the Fourth Proportional to 152,429.20, 228,773.40 and 68,318.80

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Solution

The fourth proportional to 152,429.20, 228,773.40 and 68,318.80 is: 102,536.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,429.20 : 228,773.40 = 68,318.80 : x
  2. Step 2: Convert to fraction form
    152,429.20/228,773.40 = 68,318.80/x
  3. Step 3: Cross multiply
    152,429.20x = 228,773.40 × 68,318.80
  4. Step 4: Simplify right side
    152,429.20x = 15,629,524,159.92
  5. Step 5: Solve for x
    x = 15,629,524,159.92/152,429.20
  6. Step 6: Final answer
    x = 102,536.29

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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.