Home / 146,586.70-219,880.05-129,076.30

Finding the Fourth Proportional to 146,586.70, 219,880.05 and 129,076.30

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Solution

The fourth proportional to 146,586.70, 219,880.05 and 129,076.30 is: 193,614.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,586.70 : 219,880.05 = 129,076.30 : x
  2. Step 2: Convert to fraction form
    146,586.70/219,880.05 = 129,076.30/x
  3. Step 3: Cross multiply
    146,586.70x = 219,880.05 × 129,076.30
  4. Step 4: Simplify right side
    146,586.70x = 28,381,303,297.82
  5. Step 5: Solve for x
    x = 28,381,303,297.82/146,586.70
  6. Step 6: Final answer
    x = 193,614.45

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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.