Home / 133,131.97-183,722.57-72,703.27

Finding the Fourth Proportional to 133,131.97, 183,722.57 and 72,703.27

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Solution

The fourth proportional to 133,131.97, 183,722.57 and 72,703.27 is: 100,330.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,131.97 : 183,722.57 = 72,703.27 : x
  2. Step 2: Convert to fraction form
    133,131.97/183,722.57 = 72,703.27/x
  3. Step 3: Cross multiply
    133,131.97x = 183,722.57 × 72,703.27
  4. Step 4: Simplify right side
    133,131.97x = 13,357,231,611.80
  5. Step 5: Solve for x
    x = 13,357,231,611.80/133,131.97
  6. Step 6: Final answer
    x = 100,330.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.