Home / 220,888.04-331,298.84-71,108.52

Finding the Fourth Proportional to 220,888.04, 331,298.84 and 71,108.52

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Solution

The fourth proportional to 220,888.04, 331,298.84 and 71,108.52 is: 106,652.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,888.04 : 331,298.84 = 71,108.52 : x
  2. Step 2: Convert to fraction form
    220,888.04/331,298.84 = 71,108.52/x
  3. Step 3: Cross multiply
    220,888.04x = 331,298.84 × 71,108.52
  4. Step 4: Simplify right side
    220,888.04x = 23,558,170,190.12
  5. Step 5: Solve for x
    x = 23,558,170,190.12/220,888.04
  6. Step 6: Final answer
    x = 106,652.09

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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.