Home / 152,141.23-228,120.71-72,199.09

Finding the Fourth Proportional to 152,141.23, 228,120.71 and 72,199.09

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Solution

The fourth proportional to 152,141.23, 228,120.71 and 72,199.09 is: 108,255.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,141.23 : 228,120.71 = 72,199.09 : x
  2. Step 2: Convert to fraction form
    152,141.23/228,120.71 = 72,199.09/x
  3. Step 3: Cross multiply
    152,141.23x = 228,120.71 × 72,199.09
  4. Step 4: Simplify right side
    152,141.23x = 16,470,107,282.35
  5. Step 5: Solve for x
    x = 16,470,107,282.35/152,141.23
  6. Step 6: Final answer
    x = 108,255.39

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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.