Home / 154,828.20-231,950.70-79,692.60

Finding the Fourth Proportional to 154,828.20, 231,950.70 and 79,692.60

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Solution

The fourth proportional to 154,828.20, 231,950.70 and 79,692.60 is: 119,388.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,828.20 : 231,950.70 = 79,692.60 : x
  2. Step 2: Convert to fraction form
    154,828.20/231,950.70 = 79,692.60/x
  3. Step 3: Cross multiply
    154,828.20x = 231,950.70 × 79,692.60
  4. Step 4: Simplify right side
    154,828.20x = 18,484,754,354.82
  5. Step 5: Solve for x
    x = 18,484,754,354.82/154,828.20
  6. Step 6: Final answer
    x = 119,388.81

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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.