Home / 152,440.20-228,660.30-143,886.60

Finding the Fourth Proportional to 152,440.20, 228,660.30 and 143,886.60

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Solution

The fourth proportional to 152,440.20, 228,660.30 and 143,886.60 is: 215,829.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,440.20 : 228,660.30 = 143,886.60 : x
  2. Step 2: Convert to fraction form
    152,440.20/228,660.30 = 143,886.60/x
  3. Step 3: Cross multiply
    152,440.20x = 228,660.30 × 143,886.60
  4. Step 4: Simplify right side
    152,440.20x = 32,901,153,121.98
  5. Step 5: Solve for x
    x = 32,901,153,121.98/152,440.20
  6. Step 6: Final answer
    x = 215,829.90

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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.