Home / 214,118.70-320,844.45-80,926.30

Finding the Fourth Proportional to 214,118.70, 320,844.45 and 80,926.30

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Solution

The fourth proportional to 214,118.70, 320,844.45 and 80,926.30 is: 121,263.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,118.70 : 320,844.45 = 80,926.30 : x
  2. Step 2: Convert to fraction form
    214,118.70/320,844.45 = 80,926.30/x
  3. Step 3: Cross multiply
    214,118.70x = 320,844.45 × 80,926.30
  4. Step 4: Simplify right side
    214,118.70x = 25,964,754,214.04
  5. Step 5: Solve for x
    x = 25,964,754,214.04/214,118.70
  6. Step 6: Final answer
    x = 121,263.37

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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.