Home / 133,331.04-199,996.56-54,427.68

Finding the Fourth Proportional to 133,331.04, 199,996.56 and 54,427.68

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Solution

The fourth proportional to 133,331.04, 199,996.56 and 54,427.68 is: 81,641.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,331.04 : 199,996.56 = 54,427.68 : x
  2. Step 2: Convert to fraction form
    133,331.04/199,996.56 = 54,427.68/x
  3. Step 3: Cross multiply
    133,331.04x = 199,996.56 × 54,427.68
  4. Step 4: Simplify right side
    133,331.04x = 10,885,348,768.78
  5. Step 5: Solve for x
    x = 10,885,348,768.78/133,331.04
  6. Step 6: Final answer
    x = 81,641.52

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Similar ratio
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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.