Home / 152,141.99-228,121.85-72,199.85

Finding the Fourth Proportional to 152,141.99, 228,121.85 and 72,199.85

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Solution

The fourth proportional to 152,141.99, 228,121.85 and 72,199.85 is: 108,256.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,141.99 : 228,121.85 = 72,199.85 : x
  2. Step 2: Convert to fraction form
    152,141.99/228,121.85 = 72,199.85/x
  3. Step 3: Cross multiply
    152,141.99x = 228,121.85 × 72,199.85
  4. Step 4: Simplify right side
    152,141.99x = 16,470,361,850.11
  5. Step 5: Solve for x
    x = 16,470,361,850.11/152,141.99
  6. Step 6: Final answer
    x = 108,256.52

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1.5x scale

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.