Home / 219,880.20-329,820.30-141,148.20

Finding the Fourth Proportional to 219,880.20, 329,820.30 and 141,148.20

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Solution

The fourth proportional to 219,880.20, 329,820.30 and 141,148.20 is: 211,722.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,880.20 : 329,820.30 = 141,148.20 : x
  2. Step 2: Convert to fraction form
    219,880.20/329,820.30 = 141,148.20/x
  3. Step 3: Cross multiply
    219,880.20x = 329,820.30 × 141,148.20
  4. Step 4: Simplify right side
    219,880.20x = 46,553,541,668.46
  5. Step 5: Solve for x
    x = 46,553,541,668.46/219,880.20
  6. Step 6: Final answer
    x = 211,722.30

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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.