Home / 152,238.20-228,389.70-47,067.80

Finding the Fourth Proportional to 152,238.20, 228,389.70 and 47,067.80

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Solution

The fourth proportional to 152,238.20, 228,389.70 and 47,067.80 is: 70,611.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,238.20 : 228,389.70 = 47,067.80 : x
  2. Step 2: Convert to fraction form
    152,238.20/228,389.70 = 47,067.80/x
  3. Step 3: Cross multiply
    152,238.20x = 228,389.70 × 47,067.80
  4. Step 4: Simplify right side
    152,238.20x = 10,749,800,721.66
  5. Step 5: Solve for x
    x = 10,749,800,721.66/152,238.20
  6. Step 6: Final answer
    x = 70,611.72

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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.