Home / 147,404.80-221,107.20-137,563.30

Finding the Fourth Proportional to 147,404.80, 221,107.20 and 137,563.30

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Solution

The fourth proportional to 147,404.80, 221,107.20 and 137,563.30 is: 206,344.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,404.80 : 221,107.20 = 137,563.30 : x
  2. Step 2: Convert to fraction form
    147,404.80/221,107.20 = 137,563.30/x
  3. Step 3: Cross multiply
    147,404.80x = 221,107.20 × 137,563.30
  4. Step 4: Simplify right side
    147,404.80x = 30,416,236,085.76
  5. Step 5: Solve for x
    x = 30,416,236,085.76/147,404.80
  6. Step 6: Final answer
    x = 206,344.95

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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.