Home / 133,331.93-199,998.09-54,446.16

Finding the Fourth Proportional to 133,331.93, 199,998.09 and 54,446.16

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Solution

The fourth proportional to 133,331.93, 199,998.09 and 54,446.16 is: 81,669.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,331.93 : 199,998.09 = 54,446.16 : x
  2. Step 2: Convert to fraction form
    133,331.93/199,998.09 = 54,446.16/x
  3. Step 3: Cross multiply
    133,331.93x = 199,998.09 × 54,446.16
  4. Step 4: Simplify right side
    133,331.93x = 10,889,128,007.83
  5. Step 5: Solve for x
    x = 10,889,128,007.83/133,331.93
  6. Step 6: Final answer
    x = 81,669.32

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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.