Home / 149,048.20-223,572.30-143,143.30

Finding the Fourth Proportional to 149,048.20, 223,572.30 and 143,143.30

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Solution

The fourth proportional to 149,048.20, 223,572.30 and 143,143.30 is: 214,714.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,048.20 : 223,572.30 = 143,143.30 : x
  2. Step 2: Convert to fraction form
    149,048.20/223,572.30 = 143,143.30/x
  3. Step 3: Cross multiply
    149,048.20x = 223,572.30 × 143,143.30
  4. Step 4: Simplify right side
    149,048.20x = 32,002,876,810.59
  5. Step 5: Solve for x
    x = 32,002,876,810.59/149,048.20
  6. Step 6: Final answer
    x = 214,714.95

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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.