Home / 154,412.20-231,579.42-60,918.76

Finding the Fourth Proportional to 154,412.20, 231,579.42 and 60,918.76

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Solution

The fourth proportional to 154,412.20, 231,579.42 and 60,918.76 is: 91,362.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,412.20 : 231,579.42 = 60,918.76 : x
  2. Step 2: Convert to fraction form
    154,412.20/231,579.42 = 60,918.76/x
  3. Step 3: Cross multiply
    154,412.20x = 231,579.42 × 60,918.76
  4. Step 4: Simplify right side
    154,412.20x = 14,107,531,107.92
  5. Step 5: Solve for x
    x = 14,107,531,107.92/154,412.20
  6. Step 6: Final answer
    x = 91,362.80

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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.