Home / 152,475.27-228,620.30-68,219.75

Finding the Fourth Proportional to 152,475.27, 228,620.30 and 68,219.75

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Solution

The fourth proportional to 152,475.27, 228,620.30 and 68,219.75 is: 102,288.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,475.27 : 228,620.30 = 68,219.75 : x
  2. Step 2: Convert to fraction form
    152,475.27/228,620.30 = 68,219.75/x
  3. Step 3: Cross multiply
    152,475.27x = 228,620.30 × 68,219.75
  4. Step 4: Simplify right side
    152,475.27x = 15,596,418,226.72
  5. Step 5: Solve for x
    x = 15,596,418,226.72/152,475.27
  6. Step 6: Final answer
    x = 102,288.18

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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.