Home / 154,179.68-231,295.89-52,972.88

Finding the Fourth Proportional to 154,179.68, 231,295.89 and 52,972.88

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Solution

The fourth proportional to 154,179.68, 231,295.89 and 52,972.88 is: 79,468.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,179.68 : 231,295.89 = 52,972.88 : x
  2. Step 2: Convert to fraction form
    154,179.68/231,295.89 = 52,972.88/x
  3. Step 3: Cross multiply
    154,179.68x = 231,295.89 × 52,972.88
  4. Step 4: Simplify right side
    154,179.68x = 12,252,409,425.46
  5. Step 5: Solve for x
    x = 12,252,409,425.46/154,179.68
  6. Step 6: Final answer
    x = 79,468.38

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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.