Home / 154,961.46-232,441.50-55,125.39

Finding the Fourth Proportional to 154,961.46, 232,441.50 and 55,125.39

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Solution

The fourth proportional to 154,961.46, 232,441.50 and 55,125.39 is: 82,687.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,961.46 : 232,441.50 = 55,125.39 : x
  2. Step 2: Convert to fraction form
    154,961.46/232,441.50 = 55,125.39/x
  3. Step 3: Cross multiply
    154,961.46x = 232,441.50 × 55,125.39
  4. Step 4: Simplify right side
    154,961.46x = 12,813,428,339.69
  5. Step 5: Solve for x
    x = 12,813,428,339.69/154,961.46
  6. Step 6: Final answer
    x = 82,687.84

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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.