Home / 146,153.46-219,100.59-71,231.70

Finding the Fourth Proportional to 146,153.46, 219,100.59 and 71,231.70

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Solution

The fourth proportional to 146,153.46, 219,100.59 and 71,231.70 is: 106,784.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,153.46 : 219,100.59 = 71,231.70 : x
  2. Step 2: Convert to fraction form
    146,153.46/219,100.59 = 71,231.70/x
  3. Step 3: Cross multiply
    146,153.46x = 219,100.59 × 71,231.70
  4. Step 4: Simplify right side
    146,153.46x = 15,606,907,496.70
  5. Step 5: Solve for x
    x = 15,606,907,496.70/146,153.46
  6. Step 6: Final answer
    x = 106,784.39

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1.5x scale

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.