Home / 152,000.20-228,000.30-136,253.80

Finding the Fourth Proportional to 152,000.20, 228,000.30 and 136,253.80

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Solution

The fourth proportional to 152,000.20, 228,000.30 and 136,253.80 is: 204,380.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,000.20 : 228,000.30 = 136,253.80 : x
  2. Step 2: Convert to fraction form
    152,000.20/228,000.30 = 136,253.80/x
  3. Step 3: Cross multiply
    152,000.20x = 228,000.30 × 136,253.80
  4. Step 4: Simplify right side
    152,000.20x = 31,065,907,276.14
  5. Step 5: Solve for x
    x = 31,065,907,276.14/152,000.20
  6. Step 6: Final answer
    x = 204,380.70

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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.