Home / 152,275.12-228,447.24-82,152.88

Finding the Fourth Proportional to 152,275.12, 228,447.24 and 82,152.88

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Solution

The fourth proportional to 152,275.12, 228,447.24 and 82,152.88 is: 123,247.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,275.12 : 228,447.24 = 82,152.88 : x
  2. Step 2: Convert to fraction form
    152,275.12/228,447.24 = 82,152.88/x
  3. Step 3: Cross multiply
    152,275.12x = 228,447.24 × 82,152.88
  4. Step 4: Simplify right side
    152,275.12x = 18,767,598,694.05
  5. Step 5: Solve for x
    x = 18,767,598,694.05/152,275.12
  6. Step 6: Final answer
    x = 123,247.97

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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.