Home / 270,126.20-405,259.35-143,662.46

Finding the Fourth Proportional to 270,126.20, 405,259.35 and 143,662.46

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Solution

The fourth proportional to 270,126.20, 405,259.35 and 143,662.46 is: 215,530.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,126.20 : 405,259.35 = 143,662.46 : x
  2. Step 2: Convert to fraction form
    270,126.20/405,259.35 = 143,662.46/x
  3. Step 3: Cross multiply
    270,126.20x = 405,259.35 × 143,662.46
  4. Step 4: Simplify right side
    270,126.20x = 58,220,555,159.00
  5. Step 5: Solve for x
    x = 58,220,555,159.00/270,126.20
  6. Step 6: Final answer
    x = 215,530.95

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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.