Home / 146,214.20-219,321.30-52,729.40

Finding the Fourth Proportional to 146,214.20, 219,321.30 and 52,729.40

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Solution

The fourth proportional to 146,214.20, 219,321.30 and 52,729.40 is: 79,094.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,214.20 : 219,321.30 = 52,729.40 : x
  2. Step 2: Convert to fraction form
    146,214.20/219,321.30 = 52,729.40/x
  3. Step 3: Cross multiply
    146,214.20x = 219,321.30 × 52,729.40
  4. Step 4: Simplify right side
    146,214.20x = 11,564,680,556.22
  5. Step 5: Solve for x
    x = 11,564,680,556.22/146,214.20
  6. Step 6: Final answer
    x = 79,094.10

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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.