Home / 133,039.41-199,385.84-54,061.31

Finding the Fourth Proportional to 133,039.41, 199,385.84 and 54,061.31

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Solution

The fourth proportional to 133,039.41, 199,385.84 and 54,061.31 is: 81,021.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,039.41 : 199,385.84 = 54,061.31 : x
  2. Step 2: Convert to fraction form
    133,039.41/199,385.84 = 54,061.31/x
  3. Step 3: Cross multiply
    133,039.41x = 199,385.84 × 54,061.31
  4. Step 4: Simplify right side
    133,039.41x = 10,779,058,708.92
  5. Step 5: Solve for x
    x = 10,779,058,708.92/133,039.41
  6. Step 6: Final answer
    x = 81,021.55

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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.