Home / 146,544.40-219,816.60-129,631.60

Finding the Fourth Proportional to 146,544.40, 219,816.60 and 129,631.60

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Solution

The fourth proportional to 146,544.40, 219,816.60 and 129,631.60 is: 194,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,544.40 : 219,816.60 = 129,631.60 : x
  2. Step 2: Convert to fraction form
    146,544.40/219,816.60 = 129,631.60/x
  3. Step 3: Cross multiply
    146,544.40x = 219,816.60 × 129,631.60
  4. Step 4: Simplify right side
    146,544.40x = 28,495,177,564.56
  5. Step 5: Solve for x
    x = 28,495,177,564.56/146,544.40
  6. Step 6: Final answer
    x = 194,447.40

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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.