Home / 229,974.04-344,962.56-80,213.76

Finding the Fourth Proportional to 229,974.04, 344,962.56 and 80,213.76

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Solution

The fourth proportional to 229,974.04, 344,962.56 and 80,213.76 is: 120,321.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,974.04 : 344,962.56 = 80,213.76 : x
  2. Step 2: Convert to fraction form
    229,974.04/344,962.56 = 80,213.76/x
  3. Step 3: Cross multiply
    229,974.04x = 344,962.56 × 80,213.76
  4. Step 4: Simplify right side
    229,974.04x = 27,670,743,996.83
  5. Step 5: Solve for x
    x = 27,670,743,996.83/229,974.04
  6. Step 6: Final answer
    x = 120,321.16

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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.